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The unique entity identifier used in SAM.gov has changed.

On April 4, 2022, the unique entity identifier used across the federal government changed from the DUNS Number to the Unique Entity ID (generated by SAM.gov).

  • The Unique Entity ID is a 12-character alphanumeric ID assigned to an entity by SAM.gov.
  • As part of this transition, the DUNS Number has been removed from SAM.gov.
  • Entity registration, searching, and data entry in SAM.gov now require use of the new Unique Entity ID.
  • Existing registered entities can find their Unique Entity ID by following the steps here.
  • New entities can get their Unique Entity ID at SAM.gov and, if required, complete an entity registration.

I manage an entity. What do I need to do?

For more information about this transition, visit SAM.gov or the Federal Service Desk, FSD.gov. You can search for help at FSD any time or request help from an FSD agent Monday–Friday 8 a.m. to 8 p.m. ET.

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