The European Securities and Markets Authority (ESMA) has developed a Regulatory Technical Standard (RTS) draft setting the electronic reporting format where issuers will prepare their annual financial reports (AFRs) from 1 January 2020. In addition, ESMA has published a report where they explain the background, the steps followed to develop ESEF and a summary of the field tests, and annexs. Here, you cand find the whole final report about ESEF published by ESMA. Background: It contains a chronological summary about every single step since the need to establish a digital report of the financial statements to the implementation of ESEF after 2020 was raised. Implementing technical specifications The report deals with the following sub-themes; and the steps followed to develop the detailed technical specifications necessary for the implementation of the European Single Electronic Format (ESEF). Field tests In this section, ESMA briefly summarises the field tests conducted f