Documents required by Canada Customs
Each shipment must be accompanied by a commercial invoice or Canada Customs invoice.
If the goods are dutiable, a CUSMA Certification of Origin is required for duty exemption.
It is the responsibility of the importer to supply these documents.
Required if commercial invoice is missing.
Is used to decrease the duty if the goods originate in a developing country
For duty exemption of goods of the US or Mexican origin.