(1) Carry out and certify compliance with the terms and conditions of the payment application including adherence to a conservation plan, forest stewardship plan, or equivalent plan, as appropriate; and

(2) Be jointly and severally responsible, if the participant has a share of the payment greater than zero, with other contract participants for compliance with the provisions of such contract and the provisions of this part, and for any refunds or payment adjustments that may be required for violations of any of the terms and conditions of the BCAP contract and this part.