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REX System

FTA / RoO

Registered Exporter System — EU system allowing certified exporters to self-certify origin on commercial documents.

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Sources

  1. European Commission, DG TAXUD — Registered Exporter (REX) system taxation-customs.ec.europa.eu accessed 23 September 2026

The Commission’s definition is short and does the work: “The Registered Exporter (REX) system is a system that allows for the certification of the origin of goods based on the self-certification principle.” The exporter declares origin themselves, by making out a statement on origin — or, under some agreements, an origin declaration — and may only do so once registered with their national competent authority, which issues a REX number. Two details catch people out. Access to the system itself is “only for customs authorities”: an exporter registers but cannot log in, though anyone can validate a REX number quoted on a statement. And registration data is published unless the exporter opts out, in which case only the number and validity or revocation date appear. As of September 2026 the Commission lists REX as mandatory for EU exports under CETA and the agreements with Japan, Vietnam, Singapore, the United Kingdom, Côte d’Ivoire, Ghana, the Eastern and Southern Africa interim agreement, New Zealand and Chile, and for EU exporters using bilateral cumulation under the GSP.

Where this sits. This entry is sourced to the European institution that runs the thing described, which is the right authority for what it is and how it works — and the wrong one for whether it works well. Official pages state purposes and publish their own figures. Read them for mechanism, scope and legal basis; look elsewhere for evaluation.

Related terms

From the AJG lexicon archive (July 2026).

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