MiFID RTS 23
the UK version of132 118Commission Delegated Regulation (EU) No 2017/585 of 14 July 2016 supplementing MiFIR with regard to regulatory technical standards for the data standards and formats for financial instrument reference data and technical measures in relation to arrangements to be made by the European Securities and Markets Authority and competent authorities, which is part of UK law by virtue of the EUWA132.