SAM.Gov Info

On April 4, 2022, the Federal government transitioned from using the DUNS Number to the Unique Entity ID (UEI) (generated by The UEI is a 12-character alphanumeric ID assigned to an entity by As part of this transition, the DUNS Number has been removed from Entity registration, searching, and data entry in now require the new UEI.

The new process is technically working well. However, some users have experienced delays due to the high demand for entity validation.

AMS is monitoring this situation and will contact stakeholders should the delays significantly impact open Requests for Applications. Contact the respective grant program if you are experiencing significant issues that may impact your ability to meet the grant application deadline.

Avoid delays! If you are not already registered on, apply as early as possible. If you are already registered but have not recently renewed your registration, renew as soon as possible.

If you have experienced registration delays and are concerned that it will impact your ability to meet the deadline, email the respective grant program as soon as possible using the contact information provided in the RFA. Include your name, contact information, and helpdesk incident number(s) (FSD ticket number(s)).

You can find more information about this transition on the GSA’s Unique Entity Identifier Update webpage.