A certificate of origin is a document declaring the country in which goods were produced, used by customs at the destination to decide what duty applies, whether a quota or restriction bites, and whether the shipment qualifies for a lower rate under a trade agreement. It is requested by the importer, prepared by the exporter, and — for the ordinary kind — certified by a chamber of commerce before it travels with the shipping documents.
Two things surprise exporters the first time. Origin is not where the goods were shipped from, and it is not where the supplier is registered. And a certificate is not always needed: plenty of shipments clear without one, and the exporter finds out it was required only when the importer’s broker asks for it after arrival.
Preferential and non-preferential
A non-preferential certificate simply states the origin. It is the general-purpose document, issued or stamped by a chamber of commerce, and it is what an importer usually means by the phrase. A preferential certificate claims a reduced or zero duty rate under a specific trade agreement, and each agreement has its own form, its own rules for what counts as originating and its own declaration the exporter signs — EUR.1 movement certificates, statements on origin from registered exporters, and the North American certification are all different documents serving the same idea. Using the wrong one is a rejected claim, not a formality.
How to obtain a certificate of origin
- Ask the importer exactly what their customs authority requires: the type of certificate, whether an agreement is being claimed and whether legalisation by an embassy is needed.
- Determine origin properly, by the rules of the relevant agreement or the general rules where none applies — not by where you shipped from.
- Complete the form with the consignor, consignee, transport details, marks and numbers, description, quantity and origin, matching the commercial invoice word for word.
- Have it certified: an ordinary certificate is stamped by a chamber of commerce, usually online now, against evidence such as the invoice and a supplier declaration.
- Send it with the document set, and keep the evidence you relied on — customs can ask years later, and the exporter carries the burden of proof.
Every detail must match the invoice and the bill of lading exactly. A description that reads differently on two documents in the same set is the most common reason a certificate is queried at the border, and the query costs more than the care would have.
Origin is not assembly
Where goods contain materials from more than one country, origin is decided by rules of substantial transformation — typically a change of tariff heading, a percentage of value added locally, or a specified processing operation. Final packaging, labelling and simple assembly usually do not confer origin. This is where preferential claims most often fail: the exporter certifies origin honestly but on the wrong test, the importer claims the reduced rate, and the duty plus a penalty falls due at audit. If your product has an international supply chain, get the rule for your tariff heading confirmed before you certify anything.
The paperwork behind the certificate
What makes the next certificate easy is the file behind the last one: supplier declarations, bills of materials, the tariff classification you used and the reasoning for it. Ettex Records keeps that per product with the supporting documents attached, Ettex Docs holds the declarations and the correspondence, and Ettex Sheets carries the value calculation where a percentage rule applies.
Directly: nothing here is customs advice, and origin rules are specific to your goods, your agreement and the year. The chamber of commerce that certifies your form and a customs broker are the two people to ask before a first shipment, not after it.
Frequently asked
Who issues a certificate of origin?
The exporter prepares it and a chamber of commerce certifies the ordinary kind. Preferential certificates follow the procedure of the trade agreement being claimed, which may involve a customs authority or a registered-exporter self-declaration.
Is a certificate of origin always required?
No. It depends on the destination, the goods and whether a preferential rate is claimed. Ask the importer what their customs authority wants before shipping, because obtaining one after arrival is slow.
What is the difference between preferential and non-preferential?
A non-preferential certificate states origin. A preferential one claims a reduced duty rate under a specific trade agreement, uses that agreement’s form and requires the goods to meet its origin rules.
Does country of origin mean where the goods were shipped from?
No. It means where they were produced or last substantially transformed. Shipping from a warehouse in another country does not change origin.