28 CFR 83.630: Debarment.

Debarment means an action taken by a Federal agency to prohibit a recipient from participating in Federal Government procurement contracts and covered nonprocurement transactions. A recipient so prohibited is debarred, in accordance with the Federal Acquisition Regulation for procurement contracts (48 CFR part 9, subpart 9.4) and the common rule, Government-wide Debarment and Suspension (Nonprocurement), that implements Executive Order 12549 and Executive Order 12689.