S.D. Codified Laws § 18-4-7
No authentication of the officer's certificate of acknowledgment taken pursuant to § 18-4-6 shall be required but the officer taking the acknowledgment shall endorse thereon or attach thereto a certificate substantially in the following form:
On this the ____ day of ____, 20__, before me ____, the undersigned officer personally appeared ____, known to me (or satisfactorily proven) to be serving in or with the armed forces of the United States and to be the person whose name is subscribed to the within instrument and acknowledged that -- he executed the same for the purposes therein contained. And the undersigned does further certify that he is at the date of this certificate a commissioned officer of the rank stated below and is in the active service of the armed forces of the United States.
__________ Signature of officer
__________ Rank of officer and command to which attached.
SDCL 18-4-7