Date of mailing.

RCW 29A.04.031
in effect
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For registered voters voting by mail, "date of mailing" means the date of the postal cancellation on the envelope in which the ballot is returned to the election official by whom it was issued. For all service and overseas voters, "date of mailing" means the date stated by the voter on the declaration. For registered voters voting by mail, "date of mailing" means the date of the postal cancellation on the envelope in which the ballot is returned to the election official by whom it was issued. For all service and overseas voters, "date of mailing" means the date stated by the voter on the declaration.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=29A.04&full=trueFetched: 6/29/2026

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