What is the structure of an LEI?

LEI 20 character structure

The LEI Code is structured in accordance with the ISO standard 17442 and has a 20 character alphanumeric format.

LEI Structure

Sample Code: 1234 56 789101112131415161718 1920

1234: Four character prefix designating the LEI issuing agency  - LOU (Local Operating Unit); 

56: two-digit separation, temporarily reserved


789101112131415161718: twelve-digit identification of the legal entity


1920: two-digit checksum in accordance with the ISO 17442 standard