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Guidance

Defence maritime regulations: regulatory notices

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

Updates to this page

From:
Ministry of Defence
Published:
21 November 2023
Last updated:
17 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.

Documents

DMR Regulatory Notice 02-2026 Issue of Regulation Source Record

PDF, 267 KB, 2 pages

DMR Regulatory Notice 08-2025 Issue of New DSA02-DMR Regulations 2026 Edition

PDF, 160 KB, 2 pages

DMR Regulatory Notice 07-2025 Issue of New DSA02-DMR Regulations Compliance Matrix 2026 Edition

PDF, 148 KB, 1 page

DMR Instruction 06-25 – DSA02-DMR Regulation 803 Amendment 1 Diving Safety Verification – Commercial Diving Acquisition

PDF, 184 KB, 2 pages

DMR Instruction 05-25 – DSA02-DMR Regulation 620 Amendment 1 Wrecks

PDF, 184 KB, 2 pages

DMR Notice 03-25 - International Naval Safety Association (INSA) Environmental Guidelines

PDF, 84.2 KB, 2 pages

DMR Notice 01-25 - Memorandum of Understanding between Ministry of Defence and Maritime & Coastguard Agency

PDF, 197 KB, 2 pages

DMR Regulatory Notice 09-25-Mod Shipping IMO Registration

PDF, 143 KB, 2 pages

DMR Regulatory Notice 01-2026 AtAMS and ISM Code

PDF, 435 KB, 7 pages

Details

Regulatory notices apply to all accountable persons in defence maritime activities, MOD shipping and MOD shipping activities, procurement and support officers, designers, builders, repairers , class societies, and surveyors.

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