These Regulations are made in exercise of the powers conferred by 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 paragraphs (a), (b), (c), (d), (f) and (g) of section 8(2) of the 2018 Act) arising from the withdrawal of the UK from the European Union. Part 3 of these Regulations is made in exercise of the powers conferred by section 2(2) of the European Communities Act 1972 (c. 68) and makes other minor corrections (which come into force before exit day).
Link: The Storage of Carbon Dioxide (Amendment and Power to Modify) (EU Exit) Regulations 2019
Source: Legislation .gov.uk
Source: PUBLISH TO RB