Consultation now open on changes to certificate of survey requirements (Marine Order 503)

Monday 23 February 2026
We’re seeking your feedback on proposed changes to Marine Order 503 (Certificates of survey) 2018 for domestic commercial vessel (DCV) owners and operators.
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The updates aim to improve how survey and certification requirements work in practice and clarify requirements for novel vessels.

Why we’re proposing changes 

The proposed amendments to Marine Order 503 aim to make the survey and certification framework clearer and reduce unnecessary red tape.

What’s changing 

  • Clarifying requirements for novel vessels.
  • Clarifying the standards for vessels that choose to be surveyed by a recognised organisation.
  • Clarifying the triggers for transitional vessel standards and timing for renewal surveys.
  • Implementing the NSCV Part C2 (Watertight and weathertight integrity) for new vessels, and removing the older standards in the USL Code.
  • Clarifying and streamlining a number of other standards and survey requirements.
  • Improving the readability and clarity of the marine order.

Have your say

Consultation opens on Monday 23 February 2026 and closes Monday 20 April 2026.

Visit the consultation hub to learn more about the proposed changes and submit your feedback.

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