2 C.F.R. § 1108.140

Debarment means an action taken by a Federal agency debarring official to exclude a person or entity from participating in covered Federal transactions, in accordance with debarment and suspension policies and procedures for:

(a) Nonprocurement instruments, which are in OMB guidance at 2 CFR part 180, as implemented by the DoD at 2 CFR part 1125; or

(b) Procurement contracts, which are in the Federal Acquisition Regulation at 48 CFR 9.4.