The LEI System is the Global Legal Entity Identifier System, a federated infrastructure overseen by the GLEIF that issues, maintains, and publishes Legal Entity Identifiers and their reference data. It comprises a Regulatory Oversight Committee, accredited Local Operating Units, and an open global directory queryable by anyone. The system provides a single authoritative source for identifying legal entities in financial markets.
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- Local Operating Units validate entity data and issue codes against ISO 17442, while the GLEIF maintains the consolidated global file and enforces data quality. Open, free access to the directory lets regulators and counterparties verify identities without proprietary intermediaries.