The Air Quality Standards (Wales) (Amendment) (EU Exit) Regulations 2019
These Regulations are made in exercise of the powers in paragraph 1(1) of Schedule 2 and paragraph 21(b) of Schedule 7 to, the European Union (Withdrawal) Act 2018 (c. 16) in order to address failures of retained EU law to operate effectively and other deficiencies in retained EU law arising from the withdrawal of the United Kingdom from the European Union.