This document specifies a standardised way of embedding the legal entity identifier (LEI) code, as represented in ISO 17442‑1, in digital certificates, represented by the International Telecommunications Union (ITU) Recommendation X.509 and its ISO equivalent standard, ISO/IEC 9594‑8.

This document specifies the structure of a public key certificate conforming with ISO/IEC 9594‑8 in which the LEI is embedded.