European Filing Rules
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Contents |
Abstract
The rules in this document aim to facilitate the analysis and comparison of XBRL financial reporting data by computer applications and human readers. The following set of rules provides guidance on the preparation, filing, and validation of filings in eXtensible Business Reporting Language (XBRL).
Objective
The following set of rules provides guidance on the preparation, filing, and validation of filings in eXtensible Business Reporting Language (XBRL) format. The rules in this document aim to facilitate the analysis and comparison of XBRL financial reporting data by computer applications and human readers. The fundamental use case that guides the rules is the submission, by a single organisation, of its regulatory filings, and the consumption of those regulatory filings by many, initially unknown, users and software applications.
Scope
The rules in this document have been created for regulatory filings in the context of European supervisory reporting.
In this document, “regulatory filings” encompasses authoritative financial reporting standards and generally accepted accounting principles/practices (or GAAP), regulatory reports whose subject matter is primarily financial position and performance and related explanatory disclosures, and data sets used in the collection of financial statistics; it excludes transaction- or journal-level reporting, primarily narrative reports (for example, internal controls assessments) and non-financial quantitative reports (for example, air pollution measurements).
Target Audience
This document is intended for a technical audience and assumes that the reader has a working knowledge of the XBRL 2.1 and the XBRL Dimensions 1.0 Specifications and has a basic understanding of XML, Namespaces, and XML Schema. To readers with XML knowledge, many of the guidelines in this document will be familiar however, other rules originate from features that are XBRL-specific and therefore the reasoning behind these rules may be less obvious. Where appropriate, the rules are accompanied by a brief explanation.
Relationship to Other Work
The guidelines in this document pertain to XBRL filings. Parts of this document reiterate for expository clarity certain syntactic and semantic restrictions imposed by XBRL, but this document does not modify XBRL. In the event of any conflicts between this document and XBRL, XBRL prevails. This document does place additional restrictions beyond those prescribed by XBRL.
Tailoring this Document
This document is based on the assumption that filers in the Filing system will provide their filings according to taxonomies as published by the EBA and national regulators. This document must be also tailored for each specific Filing system. This does include Filing systems on the European level (EBA, EIOPA and ESMA) as well as Filing Systems on the national level. Later filing systems might inherit this set of rules and potentially extend it further. This does guarantee that filings on a national level also comply with EBA rules and data can move along all participants without transforming the original filings. For example the rule 1.1.1 must be further specified to ensure uniqueness of the submitted files. Furthermore, rules concerning the entity identifier and entity scheme should also be tailored. A summary table is provided at the end of this document which provides information about which rules should be tailored by individual regulators.
Validation of Regulatory Filings
Valdiation rules as published by the regulator and do accompany the taxonomies on the European level. This is to make submitted data does have a sufficient quality. These validation checks can be done through software in an automated process. The validation rules are harmonized across Europe so that the same results can be produced in each European reporting system.
Templates, Data Models and Taxonomies
The tables of the EBA frameworks consist of white, gray and crisscrossed cells. White cells can be reported if data is available and can be retrieved from the database of the reporting entity. Gray cells could be reported but they are not mandatory because the level of detail is excluded from the reporting. Crisscrossed cells make no sense from an economic point of view.
Organisation of this Document
This main part of this document (Rules) covers rules applicable to a regulatory filing. It begins with a consideration of syntax-related rules (section 1) followed by semantic-related rules (section 2). The final section (section 3) covers DEI-related rules.
