Official notice.
(1) Upon written or oral motion the council may officially notice:
(a) Any judicially cognizable facts;
(b) Technical or scientific facts within the council's specialized knowledge; and
(c) Codes or standards that have been adopted by an agency of the United States, of this state or of another state, or by a nationally recognized organization or association.
(2) Parties shall be notified either before or during hearing, or by reference in preliminary reports or otherwise, of the material so noticed and the sources thereof, including any staff memoranda and data, and they shall be afforded an opportunity to contest the facts and material so noticed.
(3) A party proposing that official notice be taken may be required to produce a copy of the material to be noticed.
[Statutory Authority: RCW
80.50.040. WSR 90-05-018, § 463-30-230, filed 2/13/90, effective 3/16/90; Order 109, § 463-30-230, filed 11/16/76.]