Washington Revised Code Title 29A. Elections § 29A.60.190. Certification of election results

Ten days after a special election held in February or April, ten days after a presidential primary held pursuant to chapter 29A.56 RCW, fourteen days after a primary, or twenty-one days after a general election, the county canvassing board shall complete the canvass and certify the results. Each ballot that was returned before 8:00 p.m. on the day of the special election, general election, primary, or presidential primary, and each ballot bearing a postmark on or before the date of the special election, general election, primary, or presidential primary and received no later than the day before certification, must be included in the canvass report.