Unique Entity Identifier (UEI)

The 12-character identifier assigned to entities in SAM.gov.

Definition

The UEI replaced the DUNS number as the government-issued identifier for entities registered to receive federal awards.

Why it matters

Every proposal, subaward, and payment record keys off this number; a mismatch delays award processing.

Example

The cover page lists the offeror's UEI and CAGE code.

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