These Regulations are made in exercise of the powers conferred by section 8(1) of, and paragraph 21 of Schedule 7 to, the European Union (Withdrawal) Act 2018 in order to address failures of retained EU law to operate effectively and other deficiencies (in particular under section 8(2)(a) of that Act) arising from the withdrawal of the United Kingdom from the European Union.
Link: The Merchant Shipping (Marine Equipment) (Amendment etc.) (EU Exit) Regulations 2019
Source: Legislation .gov.uk