RCW 29A.40.130: Record of voters issued a ballot and voters who returned a ballot—Public access.

Each county auditor shall maintain in his or her office, open for public inspection, a record of all voters issued a ballot and all voters who returned a ballot. For each primary, special election, or general election, any political party, committee, or person may request a list of all registered voters who have or have not voted. Such requests shall be handled as public records requests pursuant to chapter 42.56 RCW.