Washington Revised Code Title 48. Insurance § 48.02.130. Certificates--Copies--Evidentiary effect

(1) Any certificate or license issued by the commissioner shall bear the seal of his or her office.

(2) Copies of records or documents in his or her office certified to by the commissioner shall be received as evidence in all courts in the same manner and to the same effect as if they were the originals.

(3) When required for evidence in court, the commissioner shall furnish his or her certificate as to the authority of an insurer or other licensee in this state on any particular date, and the court shall receive the certificate in lieu of the commissioner's testimony.