Miss. Code Ann. § 57-1-3: Miss. Code Ann. § 57-1-3

The Mississippi Development Authority shall have an official seal, and all orders, findings, acts and certifications of the department shall be attested by such seal, and by the signature of the executive director; and when so attested, all orders, acts, findings and certifications of the department shall be competent evidence and shall be given full faith and credit in any proceedings of a court in this state.