Parties to any proceeding may by written stipulation agree upon any matter involved in the proceeding. If approved by the Auditor General or the hearing officer, the stipulation shall be binding upon all parties to the proceeding or as between the parties stipulating. Notwithstanding the foregoing, the Auditor General or the hearing officer may require presentation of evidence for proof of stipulated facts.
Ariz. Admin. Code § R4-44-109