S.D. Codified Laws § 47-22-75
All articles of incorporation, including amendments, of any association, society, or corporation established for charitable purposes filed in the Office of the Secretary of State of this state prior to July 1, 1957 which did not set forth the amount of property of any kind such association, society, or corporation might hold or the disposition to be made of its property in case of its dissolution and all acts done in reliance thereon are hereby in all things legalized, cured, and validated and are hereby declared to be in all respects of like force and effect as though such articles had set forth such matters.
No action or proceeding filed and pending on July 1, 1957 shall be barred or the rights of any party thereto in any manner affected by the enactment of this section.
SDCL 47-22-75