S.D. Codified Laws § 47-33-11
The notice of the meeting shall be given to all shareholders of record as of the record date set for the meeting, whether or not entitled to vote at the meeting. The notice shall at a minimum be accompanied by a copy of the information statement, and a copy of any amendment to the information statement previously delivered to the domestic public corporation, and a statement disclosing that the board of the domestic public corporation recommends approval of, expresses no opinion and is remaining neutral toward, recommends rejection of, or is taking no position or making no recommendation with respect to according voting rights to the shares referred to in § 47-33-8 acquired or to be acquired in the control share acquisition. Any amendments to the information statement received after mailing the notice of and prior to the meeting shall be mailed promptly to the shareholders by the domestic public corporation.
SDCL 47-33-11