SAM - Unique Entity Identifier (UEI)

SAM UEI Number Requirement

All applicants, except individuals, must have a SAM UEI number when applying for a grant from the Connecticut Office of the Arts. Obtain your SAM UEI number through

The federal government transitioned from the use of Data Universal Numbering System (DUNS) generated by Dun and Bradstreet to a new Unique Entity Identifier (UEI) through the system as the primary identifier. This transition is a federal, government-wide initiative and the new SAM UEI is required of state, regional, and local agencies, along with nonprofit organizations who receive federal funding. The new SAM UEI is also required of subgrantees of state, regional, and local agencies. The COA receives funding from the National Endowment for the Arts (a federal agency) for grant-making purposes. Therefore, applicants/grantees of the COA must obtain the SAM UEI for federal reporting purposes.


For more information on the UEI transition, please visit GSA’s DUNS to Unique Entity ID (SAM) Transition resource page at

Obtaining a SAM-UEI number is free and does NOT require a full registration. screenshots are available in the Guide to Getting a Unique Entity ID.

Help with SAM-UEI (go to the green button "Help on UEI Transition" for articles on SAM-UEI on the GSA Federal Service Desk Service Portal or by phone (866-606-8220) or online through "Live Chat" or "Create an Incident". Hours of Operation: Monday - Friday 8:00am - 8:00pm ET. Please note that there can be a wait time for phone and Live Chat.

Additional Notes
  • DUNS UEI is a unique 9 digit identification number provided and administered by Dun & Bradstreet (D&B).
  • SAM UEI is a unique 12 character identifier (a combination of letters and numbers) assigned at no cost by
  • Beginning April 4th, DUNS numbers will no longer be used by the federal government and
  • On or after April 4, 2022, organizations without a SAM registration may obtain their SAM UEI from without first obtaining or inputting a DUNS number. Before April 4th the DUNS number is required.
  • Individuals will continue to be exempt from the UEI requirement
  • Organizational grantees (past, current, and future) may be required to obtain a SAM UEI.
  • Users need the entity's legal business name and physical address. A post office box may not be used as our physical address.
  • The system may also ask for your date and state of incorporation for entity validation.
  • Some entities may be asked to provide additional business documents to establish their identity.
  • UEIs are issued immediately if the validation is successful at the time of the submission. If additional information is required, it can take up to a day or two.
  • Any emails to to the email used to create the account in SAM.
  • Entities that have a UEI only (No SAM registration) can also be searched in SAM using the filter for ID assigned.

Post-SAM UEI Transition: One-Time Validation Step

If you had an entity registered in before April 4, 2022, then the first time you update your entity after that date, you will validate the legal business name and physical address of your entity.

You may discover that the information on file has changed. If there are any problems with the data in the system, see this article on what to do if you can’t find a match for your entity.


Change legal name/business address through

Entities now make updates to their legal business name and physical address through Once you select “Create Incident'' through the update entity information workflow, you will monitor the status of your ticket in your Workspace or in the Federal Service Desk ( instead of going to Dun & Bradstreet.


GSAFSD KB KB0016307 - How do I update an existing entity registration in

GSAFSD KB KB0056336 - Why can't I update the POCs on my registration

GSAFSD KB KB0016831 - What are the next steps now that we have updated our legal business name

GSAFSD KB KB0029897 - How do I view the quick start guides for entity registrations