(1) The agency has established and implemented a system of indexing for the identification and location of the following records:

(a) All records issued before July 1, 1990, for which the agency has maintained an index;

(b) Final adjudicative orders and declaratory orders issued after June 30, 1990, that contain an analysis or decision of substantial importance to the agency in carrying out its duties;

(c) Interpretive and policy statements that were entered after June 30, 1990.

(2) Final and declaratory orders shall be evaluated by the director or director's designee and those orders which have substantial importance shall be selected for inclusion in the index.

(3) Selected orders shall be indexed by a phrase describing the issue or holding and by a citation to the law involved. Interpretive and policy statements shall be indexed by subject matter, topic, calendar year or a combination of these, as appropriate.

(4) The index is available for public access during business hours at the agency's management services division, 814 - 4th Avenue, Olympia, Washington 98504.

(5) The indexes shall be kept current and updated annually.