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

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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.

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