S.D. Codified Laws § 11-2-17.1
The board may enact permanent subdivision ordinances as defined in subdivision 11-2-1(7). The board need not follow the procedures provided in this chapter pursuant to the comprehensive plan in implementing this section. This section does not apply to any county that has adopted a comprehensive plan. Before adoption of its subdivision ordinance or any amendment thereto, the commission shall hold at least one public hearing. Notice of the time and place of the hearing shall be given once at least ten days in advance by publication in a legal newspaper of the county. Any interested person shall be given a full, fair, and complete opportunity to be heard at the hearing, and the governing body may refuse or adopt the ordinance, with or without amendment.
SDCL 11-2-17.1