The Water (Amendment) (Northern Ireland) (EU Exit) Regulations 2019

These Regulations are made in exercise of the powers in the European Union (Withdrawal) Act 2018 (c. 16) to address failures of retained EU law to operate effectively and other deficiencies arising from the withdrawal of the United Kingdom from the European Union.

Link: The Water (Amendment) (Northern Ireland) (EU Exit) Regulations 2019
Source: Legislation .gov.uk