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HMRC internal manual

Customs Authorisation and Approval

Transition Arrangements: Transition arrangements for Registered Export (REX)

The Registered Exporters System (REX) is a self-certification for exporters that will replace GSP certificates. 

Registration of exporters under REX will begin on 1 January 2017, with full implementation completed by 30 June 2020.   

The registration period for existing UK exporters and re-consignors will be completed by 31 December 2017.

Registered exporter will mean the following changes for economic operators:

Type of Operation/ Benefits available after 1 May 2016 Available with a 2913/92 authorisation (CCC) Only applies to a 952/13 authorisation (UCC)
Complete their own origin declarations N Y
Use GSP paper certificates Y N

Further guidance will be issued in due course as details of the registration process and REX system becomes available.