Version Coverage
The following chart indicates the taxation years covered by different releases of the program.
Note that if you are filing a Québec tax return with a version of the program using a version of the Web service that is not included in the five most recent versions, you will receive the 13965 error code from Revenu Québec. You will then have to prepare a paper copy of the tax return and mail it.
| 
                                                             Version  | 
                                                        
                                                             Released  | 
                                                        
                                                             Tax Years Beginning On or After:  | 
                                                        
                                                             Tax Years Ending On or Before:  | 
                                                        
                                                             Federal Authorization Number  | 
                                                        
                                                             Québec Web services version numbers  | 
                                                    
|---|---|---|---|---|---|
| 
                                                             2024 v.1.0  | 
                                                        
                                                             May 2024  | 
                                                        
                                                             January 1, 2022  | 
                                                        
                                                             October 31, 2024  | 
                                                        
                                                             GE11  | 
                                                        
                                                             23.11.10.0  | 
                                                    
| 
                                                             2023 v.2.0  | 
                                                        
                                                             November 2023  | 
                                                        
                                                             January 1, 2021  | 
                                                        
                                                             May 31, 2024  | 
                                                        
                                                             GE10  | 
                                                        
                                                             23.11.10.0  | 
                                                    
| 
                                                             2023 v.1.1  | 
                                                        
                                                             June 2023  | 
                                                        
                                                             January 1, 2021  | 
                                                        
                                                             October 31, 2023  | 
                                                        
                                                             GE09  | 
                                                        
                                                             22.11.11.0  | 
                                                    
| 
                                                             2023 v.1.0  | 
                                                        
                                                             May 2023  | 
                                                        
                                                             January 1, 2021  | 
                                                        
                                                             October 31, 2023  | 
                                                        
                                                             GE09  | 
                                                        
                                                             22.11.11.0  | 
                                                    
| 
                                                             2022 v.2.2  | 
                                                        
                                                             February 2023  | 
                                                        
                                                             January 1, 2020  | 
                                                        
                                                             May 31, 2023  | 
                                                        
                                                             GE08  | 
                                                        
                                                             22.11.11.0  | 
                                                    
| 
                                                             2022 v.2.1  | 
                                                        
                                                             December 2022  | 
                                                        
                                                             January 1, 2020  | 
                                                        
                                                             May 31, 2023  | 
                                                        
                                                             GE08  | 
                                                        
                                                             22.11.11.0  | 
                                                    
| 
                                                             2022 v.2.0  | 
                                                        
                                                             December 2022  | 
                                                        
                                                             January 1, 2020  | 
                                                        
                                                             May 31, 2023  | 
                                                        
                                                             GE08  | 
                                                        
                                                             22.11.11.0  | 
                                                    
| 
                                                             2022 v.1.2  | 
                                                        
                                                             September 2022  | 
                                                        
                                                             January 1, 2020  | 
                                                        
                                                             October 31, 2022  | 
                                                        
                                                             GE07  | 
                                                        
                                                             21.11.12.0  | 
                                                    
| 
                                                             2022 v.1.1  | 
                                                        
                                                             September 2022  | 
                                                        
                                                             January 1, 2020  | 
                                                        
                                                             October 31, 2022  | 
                                                        
                                                             GE07  | 
                                                        
                                                             21.11.12.0  | 
                                                    
| 
                                                             2022 v.1.0  | 
                                                        
                                                             May 2022  | 
                                                        
                                                             January 1, 2020  | 
                                                        
                                                             October 31, 2022  | 
                                                        
                                                             GE07  | 
                                                        
                                                             21.11.12.0  | 
                                                    
| 
                                                             2021 v.2.0  | 
                                                        
                                                             November 2021  | 
                                                        
                                                             January 1, 2019  | 
                                                        
                                                             May 31, 2022  | 
                                                        
                                                             GE06  | 
                                                        
                                                             21.11.12.0  | 
                                                    
| 
                                                             2021 v.1.1  | 
                                                        
                                                             July 2021  | 
                                                        
                                                             January 1, 2019  | 
                                                        
                                                             October 31, 2021  | 
                                                        
                                                             GE05  | 
                                                        
                                                             20.11.13.0  | 
                                                    
| 
                                                             2021 v.1.0  | 
                                                        
                                                             May 2021  | 
                                                        
                                                             January 1, 2019  | 
                                                        
                                                             October 31, 2021  | 
                                                        
                                                             GE05  | 
                                                        
                                                             20.11.13.0  | 
                                                    
| 
                                                             2020 v.2.1  | 
                                                        
                                                             February 2021  | 
                                                        
                                                             January 1, 2018  | 
                                                        
                                                             May 31, 2021  | 
                                                        
                                                             GE04  | 
                                                        
                                                             20.11.13.0  | 
                                                    
| 
                                                             2020 v.2.0  | 
                                                        
                                                             December 2020  | 
                                                        
                                                             January 1, 2018  | 
                                                        
                                                             May 31, 2021  | 
                                                        
                                                             GE04  | 
                                                        
                                                             20.11.13.0  | 
                                                    
| 
                                                             2020 v.1.1  | 
                                                        
                                                             July 2020  | 
                                                        
                                                             January 1, 2017  | 
                                                        
                                                             October 31, 2020  | 
                                                        
                                                             GE03  | 
                                                        
                                                             19.11.08.0  | 
                                                    
| 
                                                             2020 v.1.0  | 
                                                        
                                                             June 2020  | 
                                                        
                                                             January 1, 2017  | 
                                                        
                                                             October 31, 2020  | 
                                                        
                                                             GE03  | 
                                                        
                                                             19.11.08.0  | 
                                                    
| 
                                                             2019 v.2.3  | 
                                                        
                                                             January 2020  | 
                                                        
                                                             January 1, 2017  | 
                                                        
                                                             May 31, 2020  | 
                                                        
                                                             GE03  | 
                                                        
                                                             19.11.08.0  | 
                                                    
| 
                                                             2019 v.2.2  | 
                                                        
                                                             January 2020  | 
                                                        
                                                             January 1, 2017  | 
                                                        
                                                             May 31, 2020  | 
                                                        
                                                             GE03  | 
                                                        
                                                             19.11.08.0  | 
                                                    
| 
                                                             2019 v.2.1  | 
                                                        
                                                             December 2019  | 
                                                        
                                                             January 1, 2017  | 
                                                        
                                                             May 31, 2020  | 
                                                        
                                                             GE03  | 
                                                        
                                                             19.11.08.0  | 
                                                    
| 
                                                             2019 v.2.0  | 
                                                        
                                                             November 2019  | 
                                                        
                                                             January 1, 2017  | 
                                                        
                                                             May 31, 2020  | 
                                                        
                                                             GE03  | 
                                                        
                                                             19.11.08.0  | 
                                                    
| 
                                                             2019 v.1.1  | 
                                                        
                                                             June 2019  | 
                                                        
                                                             January 1, 2017  | 
                                                        
                                                             October 31, 2019  | 
                                                        
                                                             GE02  | 
                                                        
                                                             18.11.09.0  | 
                                                    
| 
                                                             2019 v.1.0  | 
                                                        
                                                             May 2019  | 
                                                        
                                                             January 1, 2017  | 
                                                        
                                                             October 31, 2019  | 
                                                        
                                                             EP31  | 
                                                        
                                                             18.11.09.0  | 
                                                    
| 
                                                             2018 v.2.1  | 
                                                        
                                                             January 2019  | 
                                                        
                                                             January 1, 2016  | 
                                                        
                                                             May 31, 2019  | 
                                                        
                                                             EP30  | 
                                                        
                                                             18.11.09.0  | 
                                                    
| 
                                                             2018 v.2.0  | 
                                                        
                                                             November 2018  | 
                                                        
                                                             January 1, 2016  | 
                                                        
                                                             May 31, 2019  | 
                                                        
                                                             EP30  | 
                                                        
                                                             18.11.09.0  | 
                                                    
| 
                                                             2018 v.1.1  | 
                                                        
                                                             June 2018  | 
                                                        
                                                             January 1, 2016  | 
                                                        
                                                             October 31, 2018  | 
                                                        
                                                             EP29  | 
                                                        
                                                             17.11.10.0  | 
                                                    
| 
                                                             2018 v.1.0  | 
                                                        
                                                             May 2018  | 
                                                        
                                                             January 1, 2016  | 
                                                        
                                                             October 31, 2018  | 
                                                        
                                                             EP29  | 
                                                        
                                                             17.11.10.0  | 
                                                    
| 
                                                             2017 v.2.0  | 
                                                        
                                                             December 2017  | 
                                                        
                                                             January 1, 2015  | 
                                                        
                                                             May 31, 2018  | 
                                                        
                                                             EP28  | 
                                                        
                                                             17.11.10.0  | 
                                                    
| 
                                                             2017 v.1.1  | 
                                                        
                                                             July 2017  | 
                                                        
                                                             January 1, 2015  | 
                                                        
                                                             October 31, 2017  | 
                                                        
                                                             EP27  | 
                                                        
                                                             16.11.11.0  | 
                                                    
| 
                                                             2017 v.1.0  | 
                                                        
                                                             May 2017  | 
                                                        
                                                             January 1, 2015  | 
                                                        
                                                             October 31, 2017  | 
                                                        
                                                             EP27  | 
                                                        
                                                             16.11.11.0  | 
                                                    
| 
                                                             2016 v.2.0  | 
                                                        
                                                             December 2016  | 
                                                        
                                                             January 1, 2014  | 
                                                        
                                                             May 31, 2017  | 
                                                        
                                                             EP26  | 
                                                        
                                                             16.11.11.0  | 
                                                    
| 
                                                             2016 v.1.0  | 
                                                        
                                                             May 2016  | 
                                                        
                                                             January 1, 2014  | 
                                                        
                                                             October 31, 2016  | 
                                                        
                                                             EP25  | 
                                                        
                                                             15.11.13.0  | 
                                                    
| 
                                                             2015 v.2.2  | 
                                                        
                                                             February 2016  | 
                                                        
                                                             January 1, 2013  | 
                                                        
                                                             May 31, 2016  | 
                                                        
                                                             EP24  | 
                                                        
                                                             15.11.13.0  | 
                                                    
| 
                                                             2015 v.2.1  | 
                                                        
                                                             December 2015  | 
                                                        
                                                             January 1, 2013  | 
                                                        
                                                             May 31, 2016  | 
                                                        
                                                             EP24  | 
                                                        
                                                             15.11.13.0  | 
                                                    
| 
                                                             2015 v.2.0  | 
                                                        
                                                             November 2015  | 
                                                        
                                                             January 1, 2013  | 
                                                        
                                                             May 31, 2016  | 
                                                        
                                                             EP24  | 
                                                        
                                                             15.11.13.0  | 
                                                    
| 
                                                             2015 v.1.1  | 
                                                        
                                                             May 2015  | 
                                                        
                                                             January 1, 2013  | 
                                                        
                                                             October 31, 2015  | 
                                                        
                                                             EP23  | 
                                                        
                                                             14.11.14.0  | 
                                                    
| 
                                                             2015 v.1.0  | 
                                                        
                                                             May 2015  | 
                                                        
                                                             January 1, 2013  | 
                                                        
                                                             October 31, 2015  | 
                                                        
                                                             EP23  | 
                                                        
                                                             14.11.14.0  | 
                                                    
| 
                                                             2014 v.2.0  | 
                                                        
                                                             November 2014  | 
                                                        
                                                             January 1, 2012  | 
                                                        
                                                             April 30, 2015  | 
                                                        
                                                             EP22  | 
                                                        
                                                             14.11.14.0  | 
                                                    
| 
                                                             2014 v.1.1  | 
                                                        
                                                             July 2014  | 
                                                        
                                                             January 1, 2012  | 
                                                        
                                                             October 31, 2014  | 
                                                        
                                                             EP21  | 
                                                        
                                                             13.11.8.0  | 
                                                    
| 
                                                             2014 v.1.0  | 
                                                        
                                                             May 2014  | 
                                                        
                                                             January 1, 2012  | 
                                                        
                                                             October 31, 2014  | 
                                                        
                                                             EP21  | 
                                                        
                                                             13.11.8.0  | 
                                                    
| 
                                                             2013 v.2.0  | 
                                                        
                                                             November 2013  | 
                                                        
                                                             January 1, 2011  | 
                                                        
                                                             April 30, 2014  | 
                                                        
                                                             EP20  | 
                                                        
                                                             13.11.8.0  | 
                                                    
| 
                                                             2013 v.1.2  | 
                                                        
                                                             June 2013  | 
                                                        
                                                             January 1, 2011  | 
                                                        
                                                             October 31, 2013  | 
                                                        
                                                             EP19  | 
                                                        
                                                             12.11.16.0  | 
                                                    
| 
                                                             2013 v.1.1  | 
                                                        
                                                             June 2013  | 
                                                        
                                                             January 1, 2011  | 
                                                        
                                                             October 31, 2013  | 
                                                        
                                                             EP19  | 
                                                        
                                                             12.11.16.0  | 
                                                    
| 
                                                             2013 v.1.0  | 
                                                        
                                                             May 2013  | 
                                                        
                                                             January 1, 2011  | 
                                                        
                                                             October 31, 2013  | 
                                                        
                                                             EP19  | 
                                                        
                                                             12.11.16.0  | 
                                                    
| 
                                                             2012 v.2.0  | 
                                                        
                                                             November 2012  | 
                                                        
                                                             January 1, 2010  | 
                                                        
                                                             April 30, 2013  | 
                                                        
                                                             EP18  | 
                                                        
                                                             12.11.16.0  | 
                                                    
| 
                                                             2012 v.1.0  | 
                                                        
                                                             May 2012  | 
                                                        
                                                             January 1, 2010  | 
                                                        
                                                             October 31, 2012  | 
                                                        
                                                             EP17  | 
                                                        
                                                             11.11.11.0  | 
                                                    
| 
                                                             2011 v.2.0  | 
                                                        
                                                             November 2011  | 
                                                        
                                                             January 1, 2009  | 
                                                        
                                                             April 30, 2012  | 
                                                        
                                                             EP16  | 
                                                        
                                                             11.11.11.0  | 
                                                    
| 
                                                             2011 v.1.0  | 
                                                        
                                                             May 2011  | 
                                                        
                                                             January 1, 2009  | 
                                                        
                                                             October 31, 2011  | 
                                                        
                                                             EP15  | 
                                                        
                                                             10.1.12.0  | 
                                                    
| 
                                                             2010 v.2.1  | 
                                                        
                                                             January 2011  | 
                                                        
                                                             January 1, 2008  | 
                                                        
                                                             April 30, 2011  | 
                                                        
                                                             EP14  | 
                                                        
                                                             10.1.12.0  | 
                                                    
| 
                                                             2010 v.2.0  | 
                                                        
                                                             November 2010  | 
                                                        
                                                             January 1, 2008  | 
                                                        
                                                             April 30, 2011  | 
                                                        
                                                             EP14  | 
                                                        
                                                             10.1.12.0  | 
                                                    
| 
                                                             2010 v.1.0  | 
                                                        
                                                             May 2010  | 
                                                        
                                                             January 1, 2008  | 
                                                        
                                                             October 31, 2010  | 
                                                        
                                                             EP13  | 
                                                        
                                                             9.11.13.0  | 
                                                    
| 
                                                             2009 v.2.1  | 
                                                        
                                                             December 2009  | 
                                                        
                                                             January 1, 2007  | 
                                                        
                                                             April 30, 2010  | 
                                                        
                                                             EP12  | 
                                                        
                                                             9.11.13.0  | 
                                                    
| 
                                                             2009 v.2.0  | 
                                                        
                                                             November 2009  | 
                                                        
                                                             January 1, 2007  | 
                                                        
                                                             April 30, 2010  | 
                                                        
                                                             EP12  | 
                                                        
                                                             9.11.13.0  | 
                                                    
| 
                                                             2009 v.1.0  | 
                                                        
                                                             May 2009  | 
                                                        
                                                             January 1, 2007  | 
                                                        
                                                             October 31, 2009  | 
                                                        
                                                             EP11  | 
                                                        
                                                             8.11.7.0  | 
                                                    
| 
                                                             2008 v.2.0  | 
                                                        
                                                             November 2008  | 
                                                        
                                                             January 1, 2006  | 
                                                        
                                                             April 30, 2009  | 
                                                        
                                                             EP10  | 
                                                        
                                                             8.11.7.0  | 
                                                    
| 
                                                             2008 v.1.0  | 
                                                        
                                                             May 2008  | 
                                                        
                                                             January 1, 2006  | 
                                                        
                                                             October 31, 2008  | 
                                                        
                                                             EP09  | 
                                                        |
| 
                                                             2007 v.2.0  | 
                                                        
                                                             November 2007  | 
                                                        
                                                             January 1, 2005  | 
                                                        
                                                             April 30, 2008  | 
                                                        
                                                             EP08  | 
                                                        |
| 
                                                             2007 v.1.1  | 
                                                        
                                                             June 2007  | 
                                                        
                                                             January 1, 2005  | 
                                                        
                                                             October 31, 2007  | 
                                                        
                                                             EP07  | 
                                                        |
| 
                                                             2007 v.1.0  | 
                                                        
                                                             May 2007  | 
                                                        
                                                             January 1, 2005  | 
                                                        
                                                             October 31, 2007  | 
                                                        
                                                             EP07  | 
                                                        |
| 
                                                             2006 v.2.1  | 
                                                        
                                                             January 2007  | 
                                                        
                                                             January 1, 2004  | 
                                                        
                                                             April 30, 2007  | 
                                                        
                                                             EP06  | 
                                                        |
| 
                                                             2006 v.2.0  | 
                                                        
                                                             November 2006  | 
                                                        
                                                             January 1, 2004  | 
                                                        
                                                             April 30, 2007  | 
                                                        
                                                             EP06  | 
                                                        |
| 
                                                             2006 v.1.0  | 
                                                        
                                                             May 2006  | 
                                                        
                                                             January 1, 2004  | 
                                                        
                                                             October 31, 2006  | 
                                                        
                                                             EP05  | 
                                                        |
| 
                                                             2005 v.2.1  | 
                                                        
                                                             February 2006  | 
                                                        
                                                             January 1, 2004  | 
                                                        
                                                             April 30, 2006  | 
                                                        
                                                             EP04  | 
                                                        |
| 
                                                             2005 v.2.0  | 
                                                        
                                                             November 2005  | 
                                                        
                                                             January 1, 2004  | 
                                                        
                                                             April 30, 2006  | 
                                                        
                                                             EP04  | 
                                                        |
| 
                                                             2003-2005 EP  | 
                                                        
                                                             May 2005  | 
                                                        
                                                             January 1, 2003  | 
                                                        
                                                             October 31, 2005  | 
                                                        
                                                             EP03  | 
                                                        |
| 
                                                             1.0 – 2005  | 
                                                        
                                                             May 2005  | 
                                                        
                                                             January 1, 2003  | 
                                                        
                                                             October 31, 2005  | 
                                                        
                                                             TP11  | 
                                                        |
| 
                                                             2002-2005 EP  | 
                                                        
                                                             November 2004  | 
                                                        
                                                             January 1, 2002  | 
                                                        
                                                             April 30, 2005  | 
                                                        
                                                             EP02  | 
                                                        |
| 
                                                             2.0 – 2004  | 
                                                        
                                                             November 2004  | 
                                                        
                                                             January 1, 2002  | 
                                                        
                                                             April 30, 2005  | 
                                                        
                                                             TP10  | 
                                                        |
| 
                                                             1.0 – 2004  | 
                                                        
                                                             May 2004  | 
                                                        
                                                             January 1, 2002  | 
                                                        
                                                             October 31, 2004  | 
                                                        
                                                             TP09  | 
                                                        |
| 
                                                             3.0 – 2003  | 
                                                        
                                                             November 2003  | 
                                                        
                                                             October 1, 2001  | 
                                                        
                                                             April 30, 2004  | 
                                                        
                                                             TP08  | 
                                                        |
| 
                                                             2.0 – 2003  | 
                                                        
                                                             May 2003  | 
                                                        
                                                             January 1, 2001  | 
                                                        
                                                             October 31, 2003  | 
                                                        
                                                             TP07  | 
                                                        |
| 
                                                             1.0 – 2003  | 
                                                        
                                                             February 2003  | 
                                                        
                                                             January 1, 2000  | 
                                                        
                                                             April 30, 2003  | 
                                                        
                                                             TP06  | 
                                                        |
| 
                                                             2.0 – 2002  | 
                                                        
                                                             September 2002  | 
                                                        
                                                             January 1, 2000  | 
                                                        
                                                             April 30, 2003  | 
                                                        
                                                             TP06  | 
                                                        |
| 
                                                             1.0 – 2002  | 
                                                        
                                                             May 2002  | 
                                                        
                                                             July 1, 1999  | 
                                                        
                                                             October 31, 2002  | 
                                                        
                                                             TP05  | 
                                                        |
| 
                                                             2.0 – 2001*  | 
                                                        
                                                             October 2001  | 
                                                        
                                                             January 1, 1999  | 
                                                        
                                                             April 30, 2002  | 
                                                        
                                                             TP04  | 
                                                        |
| 
                                                             1.0 – 2001  | 
                                                        
                                                             December 2000  | 
                                                        
                                                             January 1, 1998  | 
                                                        
                                                             August 31, 2001  | 
                                                        
                                                             TP03  | 
                                                        |
| 
                                                             2.0 – 2000  | 
                                                        
                                                             October 2000  | 
                                                        
                                                             January 1, 1998  | 
                                                        
                                                             December 31, 2000  | 
                                                        
                                                             TP02  | 
                                                        |
| 
                                                             1.0 – 2000  | 
                                                        
                                                             March 2000  | 
                                                        
                                                             July 1,1997  | 
                                                        
                                                             August 31,2000  | 
                                                        
                                                             TP01  | 
                                                        |
| 
                                                             9.2  | 
                                                        
                                                             September 1999  | 
                                                        
                                                             January 1, 1997  | 
                                                        
                                                             February 29, 2000  | 
                                                        
                                                             TP01  | 
                                                        |
| 
                                                             9.1  | 
                                                        
                                                             April 1999  | 
                                                        
                                                             January 1, 1997  | 
                                                        
                                                             August 31, 1999  | 
                                                        
                                                             TP01  | 
                                                        |
| 
                                                             9.0  | 
                                                        
                                                             February 1999  | 
                                                        
                                                             January 1, 1997  | 
                                                        
                                                             May 31, 1999  | 
                                                        
                                                             TP01  | 
                                                        |
| 
                                                             8.1  | 
                                                        
                                                             September 1998  | 
                                                        
                                                             January 1, 1996  | 
                                                        
                                                             December 31, 1998  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             8.0  | 
                                                        
                                                             June 1998  | 
                                                        
                                                             January 1, 1996  | 
                                                        
                                                             December 31, 1998  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             7.1  | 
                                                        
                                                             February 1998  | 
                                                        
                                                             July 1, 1995  | 
                                                        
                                                             June 30, 1998  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             7.0  | 
                                                        
                                                             August 1997  | 
                                                        
                                                             January 1, 1995  | 
                                                        
                                                             December 31, 1997  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             6.3  | 
                                                        
                                                             April 1997  | 
                                                        
                                                             July 1, 1994  | 
                                                        
                                                             June 30, 1997  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             6.2  | 
                                                        
                                                             February 1997  | 
                                                        
                                                             July 1, 1994  | 
                                                        
                                                             June 30, 1997  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             6.1  | 
                                                        
                                                             October 1996  | 
                                                        
                                                             January 1, 1994  | 
                                                        
                                                             December 31, 1996  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             6.0  | 
                                                        
                                                             August 1996  | 
                                                        
                                                             January 1, 1994  | 
                                                        
                                                             December 31, 1996  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             5.1  | 
                                                        
                                                             February 1996  | 
                                                        
                                                             July 1, 1993  | 
                                                        
                                                             June 30, 1996  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             5.0  | 
                                                        
                                                             July 1995  | 
                                                        
                                                             January 1, 1993  | 
                                                        
                                                             December 31, 1995  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             4.1  | 
                                                        
                                                             January 1994  | 
                                                        
                                                             July 1, 1992  | 
                                                        
                                                             June 30, 1995  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             4.0  | 
                                                        
                                                             July 1994  | 
                                                        
                                                             January 1, 1992  | 
                                                        
                                                             December 31, 1994  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             3.11  | 
                                                        
                                                             April 1994  | 
                                                        
                                                             July 1, 1991  | 
                                                        
                                                             June 30, 1994  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             3.1  | 
                                                        
                                                             October 1993  | 
                                                        
                                                             January 1, 1991  | 
                                                        
                                                             April 30, 1994  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             3.0  | 
                                                        
                                                             July 1993  | 
                                                        
                                                             January 1, 1991  | 
                                                        
                                                             December 31, 1993  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             2.1  | 
                                                        
                                                             November 1992  | 
                                                        
                                                             July 1, 1990  | 
                                                        
                                                             June 30, 1993  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             2.0  | 
                                                        
                                                             July 1992  | 
                                                        
                                                             January 1, 1990  | 
                                                        
                                                             December 31, 1992  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             1.1  | 
                                                        
                                                             January 1992  | 
                                                        
                                                             June 1, 1989  | 
                                                        
                                                             December 31, 1992  | 
                                                        
                                                             
  | 
                                                        |
| 
                                                             1.0  | 
                                                        
                                                             September 1991  | 
                                                        
                                                             January 1, 1989  | 
                                                        
                                                             December 31, 1991  | 
                                                        
                                                             
  | 
                                                        
* Version 2001 2.0 of the program is certified to prepare Ontario CT23 returns for taxation years starting after May 4, 1999 only.
Using the Latest Version
With each release we improve the program and update the tax calculations and forms. Therefore, you should always use the latest version which covers the taxation year in question. For example, if you are preparing a return for a calendar 2016 taxation year, use Version 2.1 – 2018 even though prior versions (e.g., 2.0 – 2017) all cover that year.
When using the above chart to determine which version to use for a particular taxation year always be sure to check the date the taxation year begins as well as ends.