# Country-of-origin declarations

Statements of goods origin: preferential and marking purposes, issuer scope, supplier support, agreement-specific certification and validity limits.

Reviewed: 2026-11-02

Tags: sourcing, origin, trade-documents, supplier-evidence

## Purpose depends on the origin question

A country-of-origin declaration states an origin claim for identified goods under a particular basis. The heading alone does not establish which origin rules apply, who may make the claim or whether the document supports a tariff preference. The European Commission explains that preferential arrangements require their own forms of proof, including specified certificates or self-certification on commercial documents. [European Commission, Proof of origin](https://taxation-customs.ec.europa.eu/customs/rules-origin-goods/preferential-rules-origin/proof-origin_en)

A supplier's address, dispatch location and the goods' origin are different facts. Likewise, a declaration of product conformity concerns a different subject from origin. Explanatory synthesis: the useful meaning of an origin statement comes from its goods identity, issuing capacity, applicable rule and represented period; the title “certificate” or “declaration” is insufficient on its own.

## Marking origin is not automatically preferential origin

For a named U.S. example, **19 CFR 134.1(b)** defines origin for Part 134's marking context by reference to where a foreign article is made, produced or grown. Further processing elsewhere changes that origin only when the applicable transformation requirement is met; the provision separately directs goods of a NAFTA or USMCA country to the Part 102 marking rules. This is a bounded marking provision, not one universal origin rule for every tariff, procurement or trade-agreement purpose. [eCFR, 19 CFR 134.1](https://www.ecfr.gov/current/title-19/chapter-I/part-134/subpart-A/section-134.1)

The existence of a manufacturing step in a country therefore does not establish that the step confers origin for an unspecified purpose. A preferential claim may instead depend on product-specific rules, material origins, processing and other conditions in the named arrangement. Different origin questions can require different reasoning without the documents necessarily contradicting each other.

## Supplier support and customs proof have different roles

The European Commission's supplier-declaration guidance describes information passed by a supplier to a customer about origin under specific preferential rules. It explicitly distinguishes that supporting declaration from proof used to claim preference at importation. Its scope includes single consignments and longer-term supplies, with declarations for goods having or not having preferential status. A non-originating-material declaration can consequently carry useful production information without claiming that the supplied goods qualify for preference. [Commission, supplier-declaration guidance, §§2–3](https://taxation-customs.ec.europa.eu/document/download/6e8a21b8-aad7-44b7-ac00-4931e5cf55ad_en?filename=suppliers-declaration-may-2018_en.pdf)

HMRC's UK guidance similarly distinguishes a supplier's supporting information from the proof of origin associated with a preference claim. It discusses processing or value added to non-originating goods as well as declarations of UK origin, including specific bilateral-cumulation circumstances. The role of the document depends on that context; a UK supplier declaration is not automatically an EU exporter's statement or a USMCA certification. [HMRC, supplier declarations and proof of origin](https://www.gov.uk/guidance/using-a-suppliers-declaration-to-support-a-proof-of-origin)

## Named agreement example: USMCA certification

The U.S. International Trade Administration describes USMCA certification as a set of **nine minimum data elements**, rather than a mandatory certificate form. Those elements identify the certifier's capacity, relevant parties, the goods and six-digit HS classification, origin criterion, any blanket period, and signature/date. The importer, exporter or producer can complete certification within the agreement's requirements. A supplied template does not itself determine whether the good qualifies. [ITA, USMCA certification of origin](https://www.trade.gov/usmca-dayone-0)

The same guidance permits certification for one importation or multiple importations of identical goods over a period of no more than **12 months**. This is an agreement-specific example; it does not establish a generic twelve-month expiry for every origin statement. Nor does a country name plus a signature substitute for all of the required data and qualification basis. [ITA, certification scope and blanket period](https://www.trade.gov/usmca-dayone-0)

For U.S. claims, **19 CFR 182.12** supplies the more detailed certification requirements. Its six-or-more-digit tariff-classification requirement depends on the specific tariff-change rule. Paragraphs (g) and (h) distinguish a blanket shipment period of at most twelve months from acceptance of a properly completed, signed and dated certification as valid for four years after completion. Four-year documentary validity is not permission to cover four years of future shipments. [eCFR, 19 CFR 182.12](https://www.ecfr.gov/current/title-19/chapter-I/part-182/subpart-B/section-182.12)

## Dates can describe different things

HMRC's long-term supplier-declaration guidance distinguishes issue date, start date and end date. In its stated setting, the start can be no more than twelve months before or six months after issue, and the end no more than twenty-four months after the start. This concerns consignments dispatched within the represented period; it is not the USMCA blanket-certification rule. [HMRC, long-term supplier declarations](https://www.gov.uk/guidance/using-a-suppliers-declaration-to-support-a-proof-of-origin)

The Commission's guidance also explains that expiry of a supplier declaration's delivery period need not prevent a later export of the same goods: its example depends on the goods remaining unaltered beyond specified handling/preservation and the declaration still meeting the applicable agreement's origin rules. A date range for covered supplies and a deadline for using customs proof are therefore different concepts. [Commission guidance, §3.2.1](https://taxation-customs.ec.europa.eu/document/download/6e8a21b8-aad7-44b7-ac00-4931e5cf55ad_en?filename=suppliers-declaration-may-2018_en.pdf)

## Original bounded document-scope example

Assume an invented statement covers **part P-100, revision B**, supplied from **January 1 through December 31, 2026**. It identifies a distributor in France, dispatch from a Belgian warehouse, and a claimed manufacturing origin in Japan. No preferential agreement is named in this example.

| Observation | What it establishes within the assumptions |
| --- | --- |
| Distributor address is France | The identified business location; not French origin of the goods |
| Dispatch warehouse is Belgium | The stated shipping location; not proof that Belgian processing conferred origin |
| Origin field says Japan | A claim that still depends on its stated basis and supporting facts |
| P-100 revision C appears on another shipment | A different revision, with no assumed extension of the statement's coverage |
| A supply occurs January 15, 2027 | Outside the invented covered-supply period; this alone does not identify a different origin |

This example supplies no customs determination, tariff rate or permission to claim preference. A revision change may or may not alter the real origin analysis; the example does not specify its production consequences. Document mismatch, unsupported origin and proven false origin are distinct conclusions.

## Source scope and versions

Reviewed **2026-11-02 PST**. The retrieved eCFR Title 19 display was current through **October 29, 2026**; this identifies the viewed text rather than a new edition of §134.1. HMRC marks its guidance first published **December 23, 2020**, last updated **May 22, 2024**. The Commission currently links the supplier guidance under a filename containing `may-2018`; no separate issue date was verified in the retrieved cover, and the filename is not treated as proof of a publication day. The ITA reference is used for USMCA certification content, not unrelated tariff or shipment-value claims. This reference does not establish a particular product's origin or reproduce full agreement-specific requirements.

Related: [Supplier documents and evidence](index.md).