The Immigration Act 2016 (Commencement No. 6) Regulations 2017

Regulation 2 of these Regulations brings into force section 73 of the Immigration Act 2016 which enables the Secretary of State to make regulations to extend any of the provisions of sections 69 to 72 of that Act to Wales, Scotland or Northern Ireland or to make provision which has a similar effect and applies to Wales, Scotland and Northern Ireland.

Link: The Immigration Act 2016 (Commencement No. 6) Regulations 2017
Source: Legislation .gov.uk