32 C.F.R. § 200.1520 – Collateral estoppel.

(a) Where a final determination pertaining to the respondent's liability for acts that violate this part has been rendered in any proceeding in which the respondent was a party and had an opportunity to be heard, the respondent shall be bound by such determination in any proceeding under this part.
(b) In a proceeding under this part, a person is estopped from denying the essential elements of the criminal offense if the proceeding—
1. (1) Is against a person who has been convicted (whether upon a verdict after trial or upon a plea of guilty or nolo contendere) of a Federal crime charging fraud or false statements; and
2. (2) Involves the same transactions as in the criminal action.