Wyo. Stat. § 22-18-105
Current with changes from the 2024 Legislative Session, Acts 1-58, 60-118
If the vacancy in the office of representative in congress occurs within six (6) months prior to the next general election, the vacancy shall be filled at the general election. Otherwise the special election shall occur on the Tuesday following the eighty-ninth day after the vacancy occurs, unless that Tuesday falls on a full legal holiday in which case the election shall occur on the next Tuesday which is not a full legal holiday. The governor shall declare the vacancy and issue the writ of election within five (5) days after the vacancy occurs.
W.S. 22-18-105