These Regulations are made in part in exercise of the powers conferred by 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 section 8(2)(a), (b), (c) and (g)) arising from the withdrawal of the United Kingdom from the European Union. They are also made in part to amend domestic legislation that is out of date.
Link: The International Waste Shipments (Amendment) (EU Exit) Regulations 2019
Source: Legislation .gov.uk