DUNS TO UEI TRANSITION UPDATE FROM GSA
By April 4, 2022, the federal government will transition away from the DUNS Number to the new Unique Entity ID (SAM), or ‘UEI,’ for entity identification of federal awards governmentwide. Currently, the DUNS Number is authoritative. The Unique Entity ID (SAM) is available; however, it is not yet authoritative.
Today, the two identifiers appear side-by-side in these IAE systems: