Within any unit referred to in RCW 66.40.010, upon compliance with the conditions hereinafter prescribed, there may be held, at the time and as a part of any general election, an election upon the question of whether the sale of liquor shall be permitted within such unit; and in the event that any such election is held in any such unit, no other election under this section shall be held prior to the next succeeding general election.
RCW 66.40.020