Category: Documents

Certificate of Origin (CoO)

Also known as: CoO, C/O

Definition

A document certifying the country in which the goods were produced, used to determine duty treatment.

A Certificate of Origin states where the goods were manufactured or sufficiently transformed. It is typically issued or endorsed by a chamber of commerce or competent authority and may be a plain CoO or a preferential one tied to a free-trade agreement.

The declared origin drives the tariff treatment the goods receive at import — preferential origin can reduce or eliminate duty, while incorrect origin can trigger penalties. It works alongside the commercial invoice in the customs file.

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