7 C.F.R. § 632.22
(f) Transfer of contract.
(1) If during the contract period all or part of the right and interest in the land is transferred by sale or other action, the contract is terminated on the land unit that was transferred and the land user:
(2) If the new land user becomes a party to the contract:
(g) Modification of contract.
(2) Contracts may be modified to add, delete, substitute, or reapply conservation treatment if: