W. Va. Code § 3-1-8

Any affiliation of voters representing any principle or organization which, at the last preceding general election, polled for its candidate for Governor at least one per cent of the total number of votes cast for all candidates for that office in the state, shall be a political party, within the meaning and for the purpose of this chapter: Provided, That notwithstanding the foregoing provisions of this section, the governing body of any municipality may, by ordinance adopted by the affirmative vote of at least three fourths of the members of such governing body by recorded vote, provide that municipal political parties or groups within such municipality that do not meet the requirements of this section for classification as a political party may participate in the primary elections of any such municipality. Any such ordinance shall contain provisions implementing the foregoing proviso, which implementing provisions shall conform as nearly as practicable to any general provisions of law relating to municipal primary elections.