Starting May 12, 2025, the Canada Revenue Agency (CRA) will transition to online mail as the default method of delivering most business correspondence. This means you’ll start receiving most of your business notices and other correspondence through CRA’s secure online portal, My Business Account, instead of by mail.

In 2024, there were several announcements about changes to business taxes that will take effect in 2025. We’ve gathered the key updates here, along with some helpful resources to make it easier to manage these changes and your taxes in the new year.