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Guidance

National Treatment of Conformity Assessment Bodies (NTCAB) for conformity assessment bodies (CABs) and businesses

Information on what National Treatment of Conformity Assessment Bodies means for conformity assessment bodies and businesses.

Updates to this page

From:
Department for Business, Innovation, Science and Trade and Department for Business and Trade
Published:
28 July 2025
Last updated:
12 August 2025
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  1. Footnote added after ‘under the terms of the CPTPP agreement’ linking to the UK’s CPTPP Accession Protocol for more information on UK accession terms.

  2. First published.

Documents

National Treatment of Conformity Assessment Bodies (NTCAB) for conformity assessment bodies (CABs) and businesses

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This guidance outlines the National Treatment of Conformity Assessment Bodies provision (Article 8.6.1) of the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP). It explains how this provision can benefit businesses by removing duplicative conformity assessment procedures where applicable.

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