Wyo. Stat. Ann. § 22-20-103

The secretary of state shall mail a certified copy of a proposed amendment and statement of its purpose filed in his office to each county clerk not less than sixty (60) days prior to the election at which the proposed amendment is submitted to the electors. The county clerk shall immediately post in his office the copy of a proposed amendment and statement of its purpose received from the secretary of state. The copy shall remain posted until after the election at which the amendment is submitted to the vote of the electors.