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 173 February 2026 + show all updates
  1. Added document: "DMR Regulatory Notice 02-2026 issue of Regulation Source Record".

  2. Uploaded a new documens: 20251125-DMR Regulatory Notice 09-25-Mod Shipping IMO Registration., and 20260203-DMR_Regulatory_Notice - ATAMS and ISM Code

  3. 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‘.

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

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

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

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

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

  9. 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'.

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

  11. First published.

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