Guidance

UK-USA Mutual Recognition Agreement on marine equipment

Documents relating to the UK-USA Mutual Recognition Agreement (MRA) on marine equipment.

Summary of the agreement

The UK-USA marine equipment Mutual Recognition Agreement (MRA) contains the conditions under which each country will accept conformity assessment results from the other. It maintains the effects of the EU-USA marine equipment MRA in a bilateral context.

It also:

  • promotes cooperation between the UK and USA on international marine equipment regulations
  • encourages the improvement and future evolution of UK and USA regulatory requirements to help enhance safety at sea and prevent marine pollution

This UK-USA MRA covers the marine equipment sector: The Merchant Shipping (Marine Equipment) Regulations 2016.

Under the MRA, the USA accepts that designated marine equipment that has been certified in the UK according to UK requirements complies with USA requirements without needing further testing or certification. 

The UK accepts that designated marine equipment that has been certified in the USA according to USA requirements complies with UK requirements without needing further testing or certification.

There is another UK-USA MRA that covers other product types.

Search the UK Market Conformity Assessment Bodies (UKMCAB) database to source UK government appointed CABs.

Treaty text

The treaty establishes mutual recognition of conformity assessment between the UK and the USA.

Updates to this page

Published 12 March 2019
Last updated 1 December 2025 show all updates
  1. 'Summary of the agreement' section updated to explain mutual acceptance under the UK-USA Mutual Recognition Agreement (MRA) on marine equipment. It now states that the USA accepts designated equipment certified in the UK without further testing, and the UK accepts designated equipment certified in the USA without further testing.

  2. Updated treaty text section as agreement is in force.

  3. Addition of link to UK regulations covered by MRA.

  4. First published.

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