In counties using voting systems, the county auditor shall maintain the following documents for at least sixty days after the primary or election:
(1) Sample ballot formats together with a record of the format or formats assigned to each precinct;
(2) All programming material related to the control of the vote tallying system for that primary or election; and
(3) All test materials used to verify the accuracy of the tabulating equipment as required by RCW 29A.12.130.