In addition to Federal Supply Schedule consolidation, GSA is replacing the official identifier federal government contractors use.  Specifically, GSA is transitioning from and will stop using the Dun & Bradstreet (“D&B”) proprietary system for verification and validation of entities registering to do business with the federal government.  Effective December 2020, GSA intends to have transitioned all government systems away from using D&B Data Universal Numbering System numbers (“DUNS”) and instead using new Unique Entity Identifiers (“UEI”).  The UEI is a new, nonproprietary identifier that will be assigned through GSA’s System for Award Management (“SAM”) registration process.

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