Washington Revised Code Title 46. Motor Vehicles § 46.70.111. Investigations or proceedings--Powers of director or designees--Penalty

(1) In case of contumacy by, or refusal to obey a subpoena issued to, any person, any court of competent jurisdiction, upon application by the director, may issue to that person an order requiring him or her to appear before the director, or the officer designated by him or her, to produce documentary or other evidence touching the matter under investigation or in question. The failure to obey an order of the court may be punishable by contempt.