TS ISO 17442-1
Financial services — Legal entity identifier (LEI) — Part 1: Assignment
This document specifies the minimum elements of an unambiguous legal entity identifier (LEI) scheme to identify the legal entities relevant to any financial transaction.
It is applicable to “legal entities”, which include, but are not limited to, unique parties that are legally or financially responsible for the performance of financial transactions or have the legal right in their jurisdiction to enter independently into legal contracts, regardless of whether they are incorporated or constituted in some other way (e.g. trust, partnership, contractual). It includes governmental organizations, supranationals and individuals when acting in a business capacity[1], but excludes natural persons. It also includes international branches as defined in 3.5.
The LEI is designed for automated processing. It can also be conveniently used in other media interchange when appropriate (e.g. paper document exchange).
NOTE Examples of eligible legal entities include, without limitation:
— all financial intermediaries;
— banks and finance companies;
— international branches;
— all entities that issue equity, debt or other securities for other capital structures;
— all entities listed on an exchange;
— all entities that trade financial instruments or are otherwise parties to financial transactions, including business entities, pension funds and investment vehicles such as collective investment funds (at umbrella and sub-fund level) and other special purpose vehicles that have a legal form;
— all entities under the purview of a financial regulator and their affiliates, subsidiaries and holding companies;
— sole traders (as an example of individuals acting in a business capacity);
— counterparties to financial transactions.
[1] As stated by the LEI Regulatory Oversight Committee on 30 September 2015.
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About This Item
TS ISO 17442-1 addresses the assignment of the Legal Entity Identifier (LEI), the standardised identifier used to name legal entities involved in financial transactions without ambiguity. This part focuses on the minimum elements an LEI scheme must contain so that the identification process remains unique, machine-processable, and consistent across different media.
The LEI’s role in financial identification
An LEI is intended to identify the same legal entity regardless of the name format or local registration practice used in a particular system. In financial markets, that matters because the same counterparty may appear in reporting, trading, settlement, and risk systems under different labels. The LEI acts as a common reference for data matching, transaction reporting, counterparty recognition, and broader financial-record linkage. In this standard’s subject matter, the target is the legal entity; natural persons are excluded.
Which entities fall within the scope
- Legal entities that are legally or financially responsible for financial transactions
- Corporate forms such as companies, partnerships, trusts and similar legal structures
- Government organisations, supranationals, and individuals acting in a business capacity
- International branches
- Issuers, market participants, and entities within financial regulatory oversight
In general technical terms, the LEI is designed for automated processing, while still being suitable for exchange in other media when needed, including paper-based workflows. For this part of the standard, the key point is not a detailed numbering formula but the minimum structure needed for assignment and the population of entities to which it applies. That makes the identifier useful wherever financial services need a stable, interoperable way to distinguish one legal entity from another.
- Publication Date: 15.02.2021
- Standard Status: U (Yürürlükteki Standard/Standard)
- Publisher: TSE
- Document Language: en
- ICS Classification: 03.060 Finans, Bankacılık, Para Sistemleri, Sigorta
- Pages: 19
- Source Standard: ISO 17442-1:2020
- International Equivalents: ISO 17442-1-EQV; BS ISO 17442-1-EQV
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