These Regulations relate to Regulation (EU) No 2017/1128 of the European Parliament and of the Council of 14th June 2017 on cross-border portability of online content services in the internal market (“Regulation 2017/1128”). Whilst the terms of that Regulation are directly applicable, the United Kingdom must ensure enforcement of those terms.
Link: The Portability of Online Content Services Regulations 2018
Source: Legislation .gov.uk