; and (ii) may include any additional provision that the Secretary determines is appropriate to carry out this subsection or facilitate the practical administration of this subsection. (B) Violation On the violation of a term or condition of a Grassland 30 contract, the Secretary may require the owner to refund all or part of any payments received by the owner under the conservation reserve program, with interest on the payments, as determined appropriate by the Secretary. (C) Compatible uses Land subject to a Grassland 30 contract may be used for compatible economic uses, including hunting and fishing, if the use— (i) is specifically permitted by the conservation reserve plan developed for the land; and (ii) is consistent with the long-term protection and enhancement of the conservation resources for which the contract was established. (7) Compensation (A) Amount of payments The Secretary shall provide payment under this subsection to an owner of land enrolled through a Grassland 30 contract using 30 annual payments in an amount equal to the amount that would be used if the land were to be enrolled in the conservation reserve program under section 1231(d)(2). (B) Form of payment Compensation for a Grassland 30 contract shall be provided by the Secretary in the form of a cash payment in an amount determined under subparagraph (A). (C) Timing The Secretary shall provide any annual payment obligation under subparagraph (A) as early as practicable in each fiscal year. (D) Payments to others The Secretary shall make a payment, in accordance with regulations prescribed by the Secretary, in a manner as the Secretary determines is fair and reasonable under the circumstances, if an owner who is entitled to a payment under this section— (i) dies; (ii) becomes incompetent; (iii) is succeeded by another person or entity who renders or completes the required performance