SDCL § 1-24-3: Agreements for cooperative action authorized--Approval by governing bodies.

Any two or more public agencies may enter into agreements with one another for joint or cooperative action pursuant to the provisions of §§ 1-24-2 to 1-24-9, inclusive. Appropriate action by ordinance, resolution, or otherwise pursuant to law of the governing bodies of the participating public agencies shall be necessary before any such agreement may enter into force.