Starting in May 2025, the CRA transitioned to online mail as the default method of delivering most business correspondence. Businesses now receive most business notices and other correspondence through CRA’s secure online portal, My Business Account, instead of by paper mail.
May 12, 2025: New business and program account registrations were transitioned to online mail.
June 16, 2025: Existing eligible businesses were transitioned to online mail.
For more information, go to “Online Mail for business”.
Click here to learn more
Information source from Canada Revenue Agency (CRA)