Miss. Code Ann. § 61-3-11

In any suit, action, or proceeding involving the validity or enforcement of, or relating to, any contract of a municipal airport authority, created pursuant to Section 61-3-5 , the municipal authority shall be conclusively deemed to have become established and authorized to transact its business and exercise its powers upon proof of the adoption by the municipality of the resolution creating the municipal airport authority and of the appointment and qualification of the first commissioners thereof. Duly certified copies of the resolution creating the authority and of the certificates of appointment of the commissioners shall be admissible in evidence in any suit, action, or proceeding.

In any suit, action, or proceeding involving the validity or enforcement of, or relating to, any contract of a regional airport authority, such regional airport authority shall be conclusively deemed to have become established and authorized to transact its business and exercise its powers upon proof of the issuance by the secretary of state of a certificate of incorporation of such regional airport authority. A copy of such certificate of incorporation, duly certified by the secretary of state, shall be admissible in evidence in any suit, action, or proceeding.