These Regulations implement in part certain Articles of Regulation (EU) No 909/2014 of the European Parliament and of the Council of 23 July 2014 on improving securities settlement in the European Union and on central securities depositories (“CSDs”) (OJ No L257, 28.8.2014, p1) (“the CSD regulation”).
Link: The Central Securities Depositories Regulations 2017
Source: Legislation .gov.uk