Tex. Agric. Code § 201.049

In a suit, action, or proceeding involving the validity or enforcement of, or relating to, a contract, proceeding, or action of a conservation district, the conservation district is considered to have been established in accordance with this chapter on proof of the issuance of a certificate of organization by the secretary of state. A copy of the certificate certified by the secretary of state is admissible in evidence in the suit, action, or proceeding and is proof of the filing of the certificate and the contents of the certificate.