There has been published in the Official Journal of the EU (OJ), Commission Delegated Regulation (EU) 2017/1800 of 29 June 2017 amending Delegated Regulation (EU) No. 151/2013 supplementing the European Market Infrastructure Regulation (EMIR). The Delegated Regulation amends Delegated Regulation 151/2013 by further specifying the operational standards required to aggregate and compare data across trade repositories so as to ensure that the entities referred to in Article 81(3) of EMIR are able to access the information necessary to fulfil their respective responsibilities and mandates. The Delegated Regulation enters into force 20 days after its publication in the OJ, that is 27 October 2017 and applies from 1 November 2017.