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LEI Regulation Spotlight

ISO 20022

Understand how ISO 20022 modernises global financial messaging through structured, data-rich formats, and how the Legal Entity Identifier (LEI) enables consistent, machine-readable identification of all parties across payment and reporting systems.
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Spotlights:
EU Instant Payments
ECSPR
Bank of England CHAPS
DORA
MiFID II
CFTC
FATF 16 & 24
MiCA
ESMA ESEF
Reserve Bank of India
People’s Bank of China
ISO 17442
ISO 20022

Overview

ISO 20022 is the global standard for financial messaging, providing a unified data model for payments, securities, trade finance, and regulatory reporting. It replaces fragmented legacy standards (such as SWIFT MT) with structured, extensible XML schemas.
Global ISO 20022 - Financial Messaging Standard

The global standard for structured, data-rich financial messaging. LEI is embedded in payment message fields for consistent, machine-readable entity identification.

2004 ISO 20022 standard first published Enacted
2023 onwards SWIFT migration to ISO 20022 for cross-border payments Deadline
Ongoing LEI in structured message fields identifies all parties LEI
Role of the LEI

LEI provides machine-readable, globally unique identification of originators, beneficiaries, and intermediaries in ISO 20022 payment and reporting messages.

Objectives and scope

ISO 20022 enhances interoperability, automation, and data quality in financial communication. It is now adopted by major infrastructures including SWIFT, TARGET2, Fedwire, and CHAPS. The ISO 20022 standard designates the LEI as the preferred identifier within the OrganisationIdentification element for senders, receivers, and intermediaries. This allows direct linkage between payment participants and GLEIF-validated entity data.

Why organisation identity matters

Structured identification of legal entities reduces ambiguity in payment routing and counterparty verification. LEIs ensure that parties referenced in ISO 20022 messages are globally consistent and machine-readable.

Implementation insight

Financial institutions should:
Request

Embed LEIs in message fields where applicable (e.g., OrgId/LEI).

Include

Validate LEIs against GLEIF’s database or use the RapidLEI API during message generation.

Relationships

Align internal systems with the ISO 20022 data dictionary.

Relationships

Use LEIs to reconcile payment, trade, and regulatory datasets.

RapidLEI support and next steps

RapidLEI provides an LEI API for automated LEI retrieval and validation, enabling integration with ISO 20022-compliant systems. This helps financial institutions meet interoperability and compliance requirements across global payment networks.

Key resources
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