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Unique Entity Identifier

Summary

Twelve-character alphanumeric identifier issued through SAM.gov, replacing DUNS as the primary U.S. federal entity identifier.

Code
org:us:uei
Applies to
Organization
Kind
government
Status
Base identifier
Issuer
US General Services Administration (SAM.gov)
org-id.guide
US-SAM

Code structure

The registry code is a three-part <schema>:<scope>:<prop>string that doubles as the map key in an identifier collection.

Schema
org
Scope
us
Property
uei

Identifier format

Pattern^[A-HJ-NP-Z0-9]{12}$
ExampleAB0123456789
Presentation & validation
  • Twelve uppercase alphanumeric characters; excludes the letters O and I. Cast to uppercase before storing or comparing.

Lookup & source

Lookup templatehttps://sam.gov/entity/{id}

Source: https://org-id.guide/list/US-SAM