These Regulations are made in exercise of the powers in section 2(2) of the European Communities Act 1972 and sections 8(1) and 23(6) of, and paragraph 21 of Schedule 7 to, the European Union (Withdrawal) Act 2018.
Link: The Credit Institutions and Insurance Undertakings Reorganisation and Winding Up (Amendment) (EU Exit) Regulations 2019
Source: Legislation .gov.uk