The Immigration, Nationality and Asylum (EU Exit) Regulations 2019

These Regulations are made in exercise of the powers conferred by sections 8(1) of the European Union (Withdrawal) Act 2018 (c.16) in order to address failures of retained EU law to operate effectively and other deficiencies (in particular under section 8(2)(a), (b), (c), (d), (e), (f) and (g)) arising from the withdrawal of the United Kingdom from the European Union.

Link: The Immigration, Nationality and Asylum (EU Exit) Regulations 2019
Source: Legislation .gov.uk