Wyo. Stat. § 22-21-107
Any five (5) qualified electors of the political subdivision may contest an election on the question of the creation of an indebtedness upon filing in the district court of any county in which the political subdivision is wholly or partially located, within fourteen (14) days after the result of the election shall have been determined, a petition alleging an error that would change the result of the election, in like form as in other cases of contested elections in the district court. The political subdivision shall be made defendant, and process shall be served upon the clerk of the governing body or other chief clerical officer as in other civil actions. No civil action contesting the results of such an election or alleging election errors may be commenced after the expiration of such fourteen (14) day period.
W.S. 22-21-107