Canada Customs Rules Most Importers Don't Know About in 2026

Published 2026-09-05T05:38:00 | Updated 2026-09-07T07:06:53.205845

Most importers learn Canadian customs the hard way: a shipment gets held, a duty bill arrives higher than expected, or a form nobody mentioned turns out to be mandatory. The big topics CARM, HS classification, general duty rates — get covered everywhere. The rules in this guide don't.

Here are 20 lesser-known CBSA and Global Affairs Canada programs that affect real importers every day, from the non-resident importer canada for us companies framework to the anti-dumping duty canada explained regime that can add 300% to a landed cost. Some of these can save you money. Ignored, others can get a shipment held at the border indefinitely.