The European Securities and Markets Authority (ESMA) has issued today updated Question & Answers (Q&As) on the implementation of the European Markets Infrastructure Regulation (EMIR). These updated Q&As clarify, among others, issues related to reporting to trade repositories (TRs) such as on how to construct and generate Unique Trade Identifiers (UTI), the reporting of empty/not available fields and the UPI taxonomy.
More information via press release: http://www.esma.europa.eu/news/ESMA-provides-further-details-trade-reporting-updated-EMIR-QA?t=326&o=home