SDCL § 11-2-2: Appointment of county planning commission--Number of members--Acting as zoning commission.

The board of county commissioners of each county in the state may appoint a commission of five or more members to be known as the county planning commission. If a county proposes to enact or implement any purpose set forth in this chapter then the board of county commissioners shall appoint a county planning commission. The total membership of the county planning commission shall always be an uneven number and at least one member shall be a member of the board of county commissioners. The county planning commission is also the county zoning commission.