Any documents filed with the director under provisions of the Administrative Procedure Act, chapter 34.05 RCW, Model rules of procedure, chapter 10-08 WAC, and this chapter, shall be filed with the Administrative Regulations Program, P.O. Box 42560, 1111 Washington St., S.E., Olympia, WA 98504-2560.

Unless otherwise required by law, documents may be filed with the department by personal delivery, commercial delivery, fax, or first-class, registered or certified mail. Documents may be filed by electronic mail (email) only when instructions for email filings have been provided by the department. Filing shall occur within the period of time specified for filing by statute, rule, or order.