Guidance

Defence maritime regulations: regulatory notices

These regulatory notices are issued by the Defence Maritime Regulator (DMR).

Updates to this page

Published 21 November 2023
Last updated 22 August 2025 show all updates
  1. Added: ‘DMR Instruction 05-25 – DSA02-DMR Regulation 620 Amendment 1 Wrecks‘, and ‘DMR Instruction 06-25 – DSA02-DMR Regulation 803 Amendment 1 Diving Safety Verification – Commercial Diving Acquisition‘.

  2. Added 'DMR Notice 03-2025 - International Naval Safety Association (INSA) Environmental Guidelines'.

  3. Added: DMR Notice 02-25 - Compliance Matrix.

  4. Added: 'DMR Notice 01-25 - Memorandum of Understanding between Ministry of Defence and Maritime & Coastguard Agency'.

  5. Added: DMR Notice 05-24 - DSA02 DMR Regulations.

  6. Added: DMR Notice 03/2024 – DSA03-DMR Guide to Maritime Autonomous Systems.

  7. Added 'Regulatory Notice DSA02-DMR - Compliance Matrix' and 'Regulatory Notice DSA02-DMR 600 series - DMR position on the compliance approach for certain MOD shipping types'.

  8. Added 'Regulatory Notice DSA02-DMR 2024 - 02/2023 Instruction'.

  9. First published.

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