These Regulations are made in exercise of the powers in section 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 paragraph (a) of section 8(2)) arising from the withdrawal of the UK from the European Union.
Link: The Geo-Blocking Regulation (Revocation) (EU Exit) Regulations 2019
Source: Legislation .gov.uk
