S.D. Codified Laws § 50-6A-7
Current with legislation signed by the governor on or before 3/6/2024
The powers of each regional airport authority shall be vested in the commissioners thereof. Each such authority shall adopt and amend from time to time rules for its own procedure not inconsistent with this section and §§ 50-6A-8 to 50-6A-10, inclusive. A majority of the commissioners of an authority shall constitute a quorum for the purpose of conducting business of the authority and exercising its powers and for all other purposes. Action may be taken by the authority upon a vote of not less than a majority of the commissioners present.
SDCL 50-6A-7