(A) Quorum.
(1) A majority of the board constitutes a quorum to do business. If a seat on the board is vacant due to removal, resignation, death, or by operation of law, the quorum consists of the majority of the remaining commissioners who are qualified to serve by election or appointment pursuant to SDCL Chapter 9-13. The board may compel the attendance of any absentee under penalties as prescribed by ordinance.
(2) No action of the board is effective unless upon a vote of a majority of the board.
(SDCL § 9-9-14)
(B) Recording of votes; entry in journal.
(1) The yeas and nays shall be taken upon the passage of each ordinance and for any proposal to expend or appropriate money and in any other case at the request of any commissioner.
(2) Each vote shall be entered on the journal of the board's proceedings.
(SDCL § 9-9-16)
(C) Majority vote required. The concurrence of a majority of all the members of the board of commissioners shall be necessary to the passage of any such ordinance or proposal.
(D) Sale of real property. A two-thirds vote of the board is required to sell any municipal real property.
(SDCL § 9-9-16)