EFILE system is currently closed for personal tax returns and will re-open on Monday, February 26, 2018 at 8:30 a.m. (Eastern time) for the electronic filing of our clients 2014, 2015, 2016 and 2017 initial personal income tax and benefit returns and 2015, 2016 and 2017 amended T1 returns.
https://www.canada.ca/en/revenue-agency/services/e-services/e-services-businesses/efile-electronic-filers/efile-news-program-updates.html
EFILE Helpdesk Support
https://www.canada.ca/en/revenue-agency/services/e-services/e-services-businesses/efile-electronic-filers/efile-helpdesk-support-t1-returns.html
Sudbury Tax Centre
1050 Notre-Dame Avenue
Sudbury ON P3A 5C1
Local calls: 705-670-6499
Long distance calls: 1-800-361-6283
Fax: 705-670-6500 or 1-855-338-5495
Eastern Time
7:00 a.m. to 4:30 p.m.
The following services will still be available after January 19, 2018:
- Corporation Internet Filing for Corporation Income Tax (T2) returns.
- Electronic filing of Form T1013.
Note: You must use the current-year version of the tax software to electronically submit the 2016 form through the T1013 transmission web service until 8:00 p.m. on Friday, February 9, 2018. When the T1013 web service re-opens at 8:30 a.m. Monday, February 12, 2018 it will only accept the 2017 version of this form.