Washington Revised Code Title 35. Cities and Towns § 35.17.260. Legislative--Ordinances by initiative petition

(1) Pass the proposed ordinance without alteration within twenty days after the county auditor's certificate of sufficiency has been received by the commission; or

(2) Immediately after the county auditor's certificate of sufficiency for the petition is received, cause to be called a special election to be held on the next election date, as provided in RCW 29A.04.330, provided that the resolution deadline for that election has not passed, for submission of the proposed ordinance without alteration, to a vote of the people unless a general election will occur within ninety days, in which event submission must be made on the general election ballot.