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What is a certificate of origin?

A certificate of origin is a document that states which country goods come from. Customs in the importing country uses it to decide which duty rate, trade measure or restriction applies. For exporters it is often the paper that unlocks a lower preferential duty under a trade agreement.

What a certificate of origin proves

Origin is not the same as where goods were shipped from. The WTO describes rules of origin as the criteria needed to determine the national source of a product. A product shipped from one country can still have the origin of another if that is where it was wholly obtained or last substantially transformed, depending on the rule that applies.

The certificate, or an origin declaration where the agreement allows one, is the exporter's or issuing body's statement that the goods meet the applicable origin rule. It does not replace the commercial invoice or the customs declaration. It supports them.

Preferential and non-preferential origin

Preferential origin decides whether goods qualify for a reduced or zero duty under a trade agreement. The agreement sets its own product-specific rules, and the proof of origin it requires can be a certificate, a form or a statement on the invoice.

Non-preferential origin is not about tariff preferences. Under the WTO Agreement on Rules of Origin, non-preferential rules apply to most-favoured-nation treatment, anti-dumping and countervailing duties, safeguard measures, origin marking, discriminatory quantitative restrictions or tariff quotas, trade statistics and government procurement. Some importers or buyers ask for a non-preferential certificate even when no duty benefit is claimed.

Who issues it

The issuing body depends on the destination and on the agreement, so confirm it before you ship. Common issuers are:

  • The customs authority of the exporting country.
  • A ministry of trade or an agency it authorises.
  • A chamber of commerce that the exporting country has authorised to issue certificates.
  • The exporter or producer themselves, where an agreement allows self-certification through an origin declaration.

How to get a certificate of origin

  1. Confirm which proof the destination wants. Check whether the importing country asks for a preferential certificate under a named agreement, a non-preferential certificate, or no certificate at all. Ask your buyer or broker, and check the agreement text.
  2. Classify the goods. Origin rules are written by HS heading or subheading, so you need the correct HS code before you can test the rule.
  3. Test the origin rule. Decide whether the goods are wholly obtained, meet a regional value content threshold, or meet a change-of-tariff-classification rule. Keep the working, not just the result.
  4. Collect supporting records. Gather supplier declarations, bills of materials, cost breakdowns, production records and invoices for the inputs. The issuing body may ask for any of them.
  5. Apply to the issuing body. Submit the application with the commercial invoice and packing list. The certificate must describe the same goods, quantities and consignee as those documents.
  6. Send the certificate with the shipment. Give the original or the required copy to your freight forwarder or buyer so the importer can present it to customs when they claim the preference.

Common reasons a certificate is rejected

  • The goods description, HS code, quantity or invoice number does not match the commercial invoice.
  • The certificate is issued after the deadline the agreement allows, or has passed its validity period.
  • The wrong form or the wrong agreement is named for the destination.
  • Missing signature, stamp or authorised issuer details.
  • The origin rule was not met because a non-originating input was not counted.

Frequently asked questions

Do I always need a certificate of origin to import or export?

No. Whether one is required depends on the destination country and on whether a preference is claimed. Where no preference is claimed, many shipments clear without one, but a buyer, bank or letter of credit may still ask for it.

What is the difference between a certificate of origin and a commercial invoice?

A commercial invoice records the sale: parties, goods, price and terms. A certificate of origin states the country of origin of the goods. Customs may need both, and their details must be consistent.

Does a certificate of origin guarantee the duty rate?

No. It is evidence that the origin rule is met. The importing country's customs still decides whether to accept the claim and applies the tariff for the HS code declared.

Sources

Last verified: 2026-09-29

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