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LEI Definition

Legal Entity Identifier. A global 20-character alphanumeric code standardized under ISO 17442, used to identify financial market participants and legal entities globally.

Comparison of Key Entity Identifiers

Feature	LEI (ISO 17442)	DUNS Number	EIN (Tax ID)
Format	20-digit Alphanumeric	9-digit Numeric	9-digit Numeric (XX-XXXXXXX)
Scope	Global Financial Markets	Commercial Business Credit	U.S. Tax & Employment
Governing Body	GLEIF / LOUs	Dun & Bradstreet (Proprietary)	Internal Revenue Service (IRS)
Public Access	Free (Open Data)	Restricted (Licensing Required)	Private (Owner / IRS only)

💡 Expert Guidance

Pro Tip: When submitting an LEI (LEI) application to an accredited LOU, ensure that your legal name and address match your state registry (such as the Secretary of State) exactly. Even a minor abbreviation discrepancy (like 'Corp' vs 'Corporation') can flag the application, causing verification holds and delays.

Frequently Asked Questions

What is the official definition of LEI in compliance registry records? ▾

The term 'LEI' is defined in compliance registers as: Legal Entity Identifier. A global 20-character alphanumeric code standardized under ISO 17442, used to identify financial market participants and legal entities globally. This concept forms a primary component of corporate entity resolution and industry classification frameworks.

Which governing authority is responsible for publishing and maintaining the LEI standard? ▾

The standard for LEI is published, validated, and maintained under the direct oversight of the Global Legal Entity Identifier Foundation (GLEIF). They verify updates and publish the official registers for compliance audits.

What is the standard format and character length used for LEI entries? ▾

The standard format for LEI is structured as a 20-digit alphanumeric structure consisting of a 4-character LOU prefix, 2-character reserve, 12-character entity key, and 2 check digits. This specific layout guarantees formatting uniformity and prevents collisions in corporate databases.

How is LEI utilized during regulatory compliance and entity registration? ▾

Organizations utilize LEI during global financial transaction reporting, swap trade clearing, and risk analysis by banking regulators. Having a verified identifier is essential to transact with government bodies and complete bank KYC reviews.

Are there mathematical checks or checksum algorithms associated with LEI codes? ▾

Many corporate identifiers associated with LEI utilize mathematical checks (such as the ISO 7064 Mod 97-10 check digit routine or the omission of confusing characters) to detect transcription errors during manual entries.

Does an organization's LEI identifier expire or require periodic renewal? ▾

Depending on the specific registry, identifiers associated with LEI require annual renewal (e.g. keeping SAM.gov active every 12 months, or renewing LEIs with an LOU) to ensure the registry data remains accurate.

Can a business have more than one LEI code assigned to it? ▾

For entity registrations or classification standards like LEI, a business typically has a single primary identifier or code. For secondary classifications, a business can list multiple additional LEI codes depending on the registry rules.

Is obtaining a LEI identifier free or are there registration fees? ▾

Whether obtaining a LEI identifier or standard is free depends on the registry. Federal identifiers (such as SAM.gov UEIs and CAGE codes) are completely free to obtain. However, international standards like the LEI require paying registration and annual renewal fees to the issuing LOU.

How can an auditor or compliance officer verify the status of a LEI entry? ▾

A compliance officer can verify the status of a LEI entry by querying the official registry database (such as the GLEIF index, SAM.gov public search, or the DLA portal) or by using the instant lookup tools on our site.

Is the LEI classification standard uniform across all states in the U.S.? ▾

Yes, standard guidelines governed by federal or international agencies for LEI are uniform nationwide, ensuring consistent compliance verification across all jurisdictions.

Related Guides & Tools

Legal Entity Identifier (LEI): Global Financial Identity Standards — A comprehensive guide on the international Legal Entity Identifier (LEI) system and its regulatory role in global finance.
Understanding the ISO 17442 Standard and LEI Code Structure — An anatomical breakdown of the 20-digit LEI format, detailing LOU prefixes, entity markers, and check digits.
The ISO 7064 Mod 97-10 Check Character Algorithm Explained — A technical explanation of the Mod 97-10 checksum algorithm used to calculate and validate checking characters in LEI structures.
SIC ↔ NAICS Concordance Crosswalk — Search and map old SIC codes to modern formats.