These Regulations amend the Scotland Act 2016 (Commencement No. 5) Regulations 2017 (S.I. 2017/455), which are the fifth set of Regulations commencing provisions of the Scotland Act 2016 (c. 11) (“the No. 5 Regulations”).
Link: The Scotland Act 2016 (Commencement No. 5) (Amendment) Regulations 2019
Source: Legislation .gov.uk