Wyo. Stat. § 11-16-116: Districts; proof of organization.

In any suit, action or proceeding relating to any action of the district, the district is deemed to have been established in accordance with this act upon proof of the issuance of the certificate by the secretary of state. A copy of the certificate certified by the secretary of state is admissible in evidence in any suit, action or proceeding and is proof of the filing and contents thereof.