Wyo. Stat. § 13-4-108: When merger effective; certificate of merger.

(a) A merger which is to result in a state bank, unless otherwise specified in the agreement becomes effective upon filing the executed agreement, copies of the resolutions of the stockholders of each merging bank approving it, an affidavit evidencing the publication and a copy of the publication with the state banking commissioner.

(b) The state banking commissioner shall issue in triplicate to the resulting bank a certificate of merger which constitutes a continuing charter specifying the name of each merging bank and the name of the resulting bank. The certificate is conclusive evidence of the merger and of the correctness of all proceedings and shall be filed by the resulting bank in the office of the secretary of state and in the office of the county clerk in each of the counties in which the merging banks were located.