Unique Entity Identifier
Summary
Twelve-character alphanumeric identifier issued through SAM.gov, replacing DUNS as the primary U.S. federal entity identifier.
Code structure
The registry code is a three-part <schema>:<scope>:<prop>string that doubles as the map key in an identifier collection.
Identifier format
Pattern
^[A-HJ-NP-Z0-9]{12}$Example
AB0123456789Presentation & validation
- Twelve uppercase alphanumeric characters; excludes the letters O and I. Cast to uppercase before storing or comparing.
Lookup & source
Lookup template
https://sam.gov/entity/{id}Source: https://org-id.guide/list/US-SAM