Washington Revised Code Title 29A. Elections § 29A.08.820. Times for filing challenges--Hearings--Treatment of challenged ballots

(1) Challenges must be filed with the county auditor of the county in which the challenged voter is registered no later than 45 days before the election. The county auditor presides over the hearing.

(2) Challenges may be filed after 45 days before the election, only when the challenged voter registered to vote less than 60 days before the election, or changed residence less than 60 days before the election without updating the residence address of the voter's voter registration. A challenge may then be filed not later than 10 days before any primary or election, general or special, or within 10 days of the voter being added to the voter registration database, whichever is later.