SDCL § 11-7-15: Quorum of commission--Officers--Rules--Meetings open to public.

The powers of each commission shall be vested in the commissioners thereof in office at any time; a majority of whom shall constitute a quorum for all purposes. Each commission shall select a chairman, a secretary, and a treasurer from among its commissioners and shall adopt such bylaws and other rules for the conduct of its affairs as it deems appropriate. The regular meetings of a commission shall be held in a fixed place and shall be open to the public.