The SEC’s Division of Economic and Risk Analysis (DERA) recently released its analysis of custom tag usage in financial filings submitted to the SEC. The analysis covered XBRL financial data submitted with Forms 20-F, 20-F/A, 40-F and 40-F/A from January 2017 to December 2019 by filers preparing their reports using International Financial Reporting Standards (IFRS), which is issued by the International Accounting Standards Board. The analysis focused on trends in filers’ use of custom tags in their XBRL financial data for these forms during the last three years in two categories: 1) Financial statements (F/S) only and 2) F/S and notes.
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Under the leadership of Scott Theis, the XBRL US Domain Steering Committee (DSC) published the first release of the XBRL Taxonomy Development Handbook (TDH). Developed over a two-year period, the TDH provides an in-depth roadmap to building effective structured data reporting systems. The handbook covers the fundamentals of the XBRL specification, data modeling and translating models to XBRL, assessing project scope, creating an appropriate data model to support reporting requirements, the mechanics of building the taxonomy, best practice in establishing a governance structure, and documenting the program to aid XBRL preparers and consumers.
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