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 (c.16) (“the 2018 Act”) in order to address failures in retained EU law to operate effectively and other deficiencies (in particular under section 8(2)(a), (b), (c), (e) and (g) and (5) and (6)) arising from the withdrawal of the United Kingdom from the European Union.
Link: The Airports Slot Allocation (Amendment) (EU Exit) Regulations 2019
Source: Legislation .gov.uk