# The Merchant Shipping (International Safety Management (ISM) Code) Regulations 2026, Regulation 12: Prohibition on ISM companies operating a United Kingdom ship without a Document of Compliance


An ISM company must not operate a United Kingdom ship unless that ISM company has been issued with a valid Document of Compliance or an Interim Document of Compliance.

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Source: https://www.legislation.gov.uk/uksi/2026/194/regulation/12 (the official version)
Page: https://openlegislation.uk/merchant-shipping-international-safety-management-ism-code-regulations-2026/regulation-12
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.