These Regulations are made in exercise of the powers conferred by section 8(1) of, and Schedule 7 to the European Union (Withdrawal) Act 2018 (c. 16) and section 5(1) of the Employment Agencies Act 1973 (c. 35), in order to address failures of retained EU law to operate effectively and other deficiencies (in particular under paragraphs (a) and (g) of section 8(2) of the European Union (Withdrawal) Act 2018) arising from the withdrawal of the United Kingdom from the European Union.
Link: The Employment Rights (Amendment) (EU Exit) (No. 2) Regulations 2019
Source: Legislation .gov.uk