Commons Sense

House of Commons · Written Ministerial Statement

Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP): UK Entry into Force for Mexico & Costa Rica Substantive Conclusion of Negotiations

22 June 2026 · Department for Business and Trade

Proposed by Chris Bryant Lab Rhondda

Business & Trade

Summarised by AI from the official record, so it can contain mistakes.

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At a glance

Key points

  • The UK's accession to the CPTPP with Mexico has come into effect, offering tariff benefits and market access opportunities.
  • The Minister informs Parliament about the advantages for British businesses trading with Mexico under the CPTPP.
  • Negotiations for Costa Rica's accession to the CPTPP have reached a substantive conclusion.

Issue summary

The statement addresses the entry into force of the UK's accession to the Comprehensive and Progressive Agreement for Trans-Pacific Partnership (CPTPP) with Mexico, providing tariff benefits and new market access opportunities.

Action requested

No specific action is requested. The Minister provides information on the benefits of CPTPP for British businesses trading with Mexico and outlines progress in Costa Rica's accession negotiations.

Key facts

  • UK’s accession to CPTPP entered into force with Mexico from 22 June 2026.
  • CPTPP offers zero tariffs for chocolate producers exporting to Mexico compared to current tariffs of up to around 25%.
  • Cheese exporters receive tariff-free access through a shared quota and further quotas for other dairy products are available.
  • Pork sectors benefit from duty-free access immediately.
  • Mexico is the 10th country with whom UK’s CPTPP accession has entered into force out of a possible 11.
  • Costa Rica's accession negotiations were substantially concluded on 6 May after eighteen months, demonstrating CPTPP's openness and dynamism.
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