7 C.F.R. § 634.29
(a) Actions causing violations. The following actions constitute violation of a contract by a participant:
(b) Contract termination as a result of violations.
(1) By signing a contract, the participant agrees to forfeit all rights to further cost-sharing payments under a contract and to refund all cost-share payments received, with interest, if the administering agency, with the concurrence of the State Conservationist, NRCS, determines that:
(c) Payment adjustments and refunds resulting from violations.
(1) By signing a contract, the participant agrees to refund cost-share payments received under the contract or to accept payment adjustments if the administering agency determines and the State Conservationist, NRCS, concurs that: