For maintenance purposes, all EDI applications will be unavailable on Sunday, June 28th from 04:30 to 09:00 (ET). This includes: all incoming data or outbound messages such as acknowledgements, reject messages and notices, e.g. RNS, Completeness Notices during this time. 

We will update this message if the outage extends past the end date/time. We regret the inconvenience and thank you for your cooperation.

Client service support is available 24/7 should you require immediate assistance.

For brokers and importers, the procedures to follow during system outages/interruptions can be found at: http://www.cbsa-asfc.gc.ca/eservices/interruption-eng.html