Ariz. Admin. Code § R6-6-2208 - Change of Hearing Officer
Not less than five days before the date set for the hearing, any party may file a written request for change of hearing officer and the matter shall immediately be transferred to another hearing officer. A hearing officer may be challenged for cause at any time before a decision becomes final. Except for good cause, not more than one change of hearing officer shall be granted to any one party.
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