The NETFILE service will stop accepting transmissions for the 2013, 2014, 2015 and 2016 initial (T1) personal income tax and benefit returns through NETFILE at midnight (Local time) on Friday, January 19, 2018.
The NETFILE service will open on Monday, February 26, 2018 at 6:00 a.m. (Eastern time) for the electronic filing of the 2014, 2015, 2016 and 2017 (T1) personal income tax and benefit returns.
Auto-Fill My Return
The Auto-fill my return service will not be available for the 2015 and 2016 tax years as of 8:00 p.m. on Friday, February 9, 2018 (Eastern time).
The service will open on Monday, February 12, 2018, at 6:00 a.m. (Eastern time), to provide 2017, 2016 and 2015 tax year data to allow you to automatically fill in parts of T1 income tax and benefit returns.