South Dakota Codified Laws
Chapter 08 - Aldermanic Form Of Government
Section 9-8-10 - Recording of votes by council members--Number of votes required for action.

9-8-10. Recording of votes by council members--Number of votes required for action.
A roll call vote shall be taken upon the passage of all ordinances and upon any proposal to expend or appropriate money, and in all other cases at the request of any member. All votes shall be entered in the minutes of its proceedings.
The majority vote of the aldermen shall be necessary to pass an ordinance or proposal which expends or appropriates money, and the mayor may not break a tie on an ordinance or proposal to expend or appropriate money. The mayor may break a tie on all other ordinances or proposals.
A two-thirds vote of the aldermen is required to sell any city property.

Source: SL 1890, ch 37, art IV, §12; RPolC 1903, §1209; RC 1919, §6215; SDC 1939, §45.0707; SL 1992, ch 60, §2; SL 2017, ch 56, §9.