RCW 29A.36.111: Uniformity, arrangement, contents required—Contracts with vendors.

(1) Every ballot for a single combination of issues, offices, and candidates shall be uniform within a precinct and shall identify the type of primary or election, the county, and the date of the primary or election, and the ballot or voting device shall contain instructions on the proper method of recording a vote, including write-in votes. Each position, together with the names of the candidates for that office, shall be clearly separated from other offices or positions in the same jurisdiction. The offices in each jurisdiction shall be clearly separated from each other. No paper ballot or ballot card may be marked by or at the direction of an election official in any way that would permit the identification of the person who voted that ballot.

(2) An elections [election] official may not enter into or extend any contract with a vendor if such contract may allow the vendor to acquire an ownership interest in any data pertaining to any voter, any voter's address, registration number, or history, or any ballot.