Ariz. Rev. Stat. § 12-3020 – Change of award by arbitrator

A. On motion to an arbitrator by a party to an arbitration proceeding, the arbitrator may modify or correct an award either:
1. 1. On a ground stated in section 12-3024, subsection A, paragraph 1 or 3.
2. 2. Because the arbitrator has not made a final and definite award on a claim submitted by the parties to the arbitration proceeding.
3. 3. To clarify the award.
B. A motion under subsection A of this section must be made and notice given to all parties within twenty days after the movant receives notice of the award.
C. A party to the arbitration proceeding must give notice of any objection to the motion within ten days after receipt of the notice.
D. If a motion to the court is pending under section 12-3022, 12-3023 or 12-3024, the court may submit the claim to the arbitrator to consider whether to modify or correct the award either:
1. 1. On a ground stated in section 12-3024, subsection A, paragraph 1 or 3.
2. 2. Because the arbitrator has not made a final and definite award on a claim submitted by the parties to the arbitration proceeding.
3. 3. To clarify the award.
E. An award modified or corrected pursuant to this section is subject to section 12-3019, subsection A and sections 12-3022, 12-3023 and 12-3024.