Washington Administrative Code
Title 10 - Administrative Hearings, Office of
Chapter 10-08 - Model rules of procedure
Section 10-08-050 - Adjudicative proceedings-Assignment of administrative law judge-Motion of prejudice

(1) Whenever a state agency as defined in RCW 34.12.020(4) conducts a hearing which is not presided over by officials of the agency who are to render the final decision, the agency shall use one of the following methods for requesting assignment of an administrative law judge:

(2) Motions of prejudice with supporting affidavits under RCW 34.12.050 must be filed at least three days prior to the hearing or to any earlier stage of the adjudicative proceeding at which the administrative law judge may be required to issue a discretionary ruling. If the notice of hearing does not state the name of the presiding administrative law judge, the chief administrative law judge or their designee shall make such assignment at least five days prior to the hearing and shall disclose the assignment to any party or representative making inquiry. Subsequent motions of prejudice filed by the same party in the same proceeding shall be ruled upon by the chief administrative law judge or their designee.