(1) Availability. The commission shall maintain and make available for public inspection and copying an index that provides identifying information for public records falling within the requirements of chapter 42.56 RCW.

(2) Form and content. The index shall be maintained in electronic form with copies available on paper. The index shall contain topic and subtopic headings.

(3) Location and availability. The index shall be available to the public under the same rules and on the same conditions as are applied to other public records.

(4) Schedule for revisions and updates. The commission will revise and update the index biennially.