(1) Unissued or undeliverable ballots must be retained for ten days after the election is certified and the official results announced, and then may be destroyed.

(2) All ballots submitted by voters, and all candidate filing records (including candidate information, verification of eligibility, and withdrawals of candidacy), must be retained for twelve months after the election is certified and the official results announced, and then may be destroyed.

(3) The conservation commission shall abide by the records retention schedule as set out for conservation district elections in the local government common records retention schedule (CORE), as established by the office of the secretary of state, Washington state archives, and its own records retention policy.