SDCL § 11-7-10: Filing of resolution activating commission--Resolution conclusive as to powers of commission.

When the resolution becomes finally effective, the clerk of the municipality or the county auditor as applicable shall file such resolution in this office. In any suit, action, or proceeding involving the validity or enforcement of or relating to any contract of a commission, the commission shall be conclusively deemed to have become established and authorized to transact business and exercise its powers upon such filing of the resolution, and proof of the resolution and of that filing may be made in any suit, action, or proceeding by a certificate of the clerk.