Wyo. Stat. § 28-1-106 (2026)

Resignation of the office of a member of the senate or house of
representatives shall be made to the governor, who shall
immediately notify the state central committee of the party
which the member represented at the time of his election under
W.S. 22-6-120(a)(vii), or at the time of his appointment if not
elected to office, of the resignation. If the resigning member
did not represent a political party at the time of his election,
or at the time of his appointment if not elected to office, the
governor shall notify the appropriate boards of county
commissioners who shall proceed in accordance with W.S.
22-18-111(a)(iii)(C). For purposes of this section a person
shall be considered to "represent" a political party if he was a
nominee of that political party when elected to office or when
appointed to fill a vacancy in office.