S.D. Codified Laws § 17-2-27

Any affidavit of the publication of a notice which has been filed or recorded before July 1, 1939, in any action or proceeding, or in the office of any register of deeds without having annexed thereto the additional affidavit contemplated by section 7074 of the Revised Code of 1919, is hereby legalized and validated, and said affidavit of publication and the record thereof shall have in all respects the same force and effect as though said additional affidavit had been duly annexed thereto.