Except for regulations 3 and 4, these Regulations are made in exercise of the powers in section 8(1) of, and paragraph 21 of Schedule 7 to, the European Union (Withdrawal) Act 2018 (c.16) in order to address failures of retained EU law to operate effectively (see in particular paragraphs (a), (b) and (g) of section 8(2) of that Act) and other deficiencies arising from the withdrawal of the United Kingdom from the European Union. Regulations 3 and 4 are made in exercise of powers under the European Communities Act 1972 (c. 68).