S.D. Codified Laws § 11-5-6
Any declaration or contract made pursuant to §§ 11-5-1 and 11-5-2 may be revoked and canceled only by the execution by the persons executing the same of a deed of revocation, which deed of revocation shall be acknowledged and recorded in the office of the register of deeds and a copy thereof filed in the office of the city auditor as provided in case of the original declaration or contract. In case any property owner signing such declaration or contract shall have died or shall have parted with his interest in the real property affected or any part thereof, such deed of revocation shall not be valid until executed by all persons having an interest in such real property as successors in interest to the person or persons executing such declaration or contract, and such deed of revocation shall not go into force or effect until after the same shall have been approved by a resolution duly adopted by the governing body of the first or second class municipality within which such land is situated.
SDCL 11-5-6