2 C.F.R. § 180.505 – Who uses SAM.gov Exclusions?

(a) Federal agency officials use SAM.gov Exclusions to determine whether to enter into a transaction with a person, as required under § 180.430.
(b) Participants also may, but are not required to, use SAM.gov Exclusions to determine if:
1. (1) Principals of their transactions are excluded or disqualified, as required under § 180.320; or
2. (2) Persons with whom they are entering into covered transactions at the next lower tier are excluded or disqualified.
(c) The SAM.gov Exclusions are available to the general public.