Service interruption to Canada Revenue Agency’s (CRA) - Business Number (BN) system

Attention! Are you a business that can supply products and services in support of Canada’s response to COVID-19?

Canada wants to hear from you. Find out more here.

May 29, 2020 - Ottawa - Due to systems maintenance by Canada Revenue Agency (CRA), the Business Number (BN) System will be unavailable this weekend from 11 pm on Friday, May 29, 2020, until 6 am on Monday, June 1, 2020 (ET). Functionality related to CRA’s BN system, such as vendor registration, may be impacted.


If you have a question concerning please see the Tender Contacts page and for a question concerning TMA, please consult the Tender Management Application Contacts page.

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