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.