An elector qualified to hold the office of representative in congress shall be nominated by the state central committee of the respective parties to fill a vacancy for the unexpired term of that office. Nominations from such parties shall be filed with the secretary of state and fees paid within seven (7) days after the vacancy is officially declared. Independent candidates shall file an application and pay the filing fee with the secretary of state within seven (7) days after the vacancy is officially declared.
W.S. 22-18-106