The department may make such reasonable rules, regulations, and orders as may be necessary from time to time for the proper administration and enforcement of this chapter. Unless otherwise required by law or by this chapter or by rules of procedure made under this chapter, the department may make such rules, regulations, and orders, after notice, as the basis therefor. The notice may be given by publication in some newspaper of general circulation in the state in a manner and form which may be prescribed by the department by general rule. The public hearing shall be at the time and in the manner and at the place prescribed by the department, and any person having any interest in the subject matter of the hearing shall be entitled to be heard. In addition, written notice shall be mailed to all interested persons who have requested, in writing, notice of department hearings, rulings, policies, and orders. The department shall establish and maintain a mailing list for this purpose. Substantial compliance with these mailing requirements is deemed compliance with this section.

Severability—Headings and captions not law—Effective date—1994 sp.s. c 9: See RCW 18.79.900 through 18.79.902.