Ariz. R. Sm. Cl. P. 11
Rule 11. Transferring the Lawsuit to the Justice Court Civil Division
(a) Requesting Transfer. Either party can file a request to transfer the lawsuit to the civil division of the justice court no later than 10 business days before the hearing date. (b) Voluntary Dismissal After Transfer. If a defendant requests transfer but has not filed an answer or counterclaim, a plaintiff who does not want the lawsuit to proceed in the civil division has 15 days after the transfer request to voluntarily dismiss the lawsuit.