Washington Revised Code Title 42. Public Officers and Agencies § 42.56.040. Duty to publish procedures

(a) Descriptions of its central and field organization and the established places at which, the employees from whom, and the methods whereby, the public may obtain information, make submittals or requests, or obtain copies of agency decisions;

(b) Statements of the general course and method by which its operations are channeled and determined, including the nature and requirements of all formal and informal procedures available;

(c) Rules of procedure;

(d) Substantive rules of general applicability adopted as authorized by law, and statements of general policy or interpretations of general applicability formulated and adopted by the agency; and

(e) Each amendment or revision to, or repeal of any of the foregoing.