Ariz. Just. Ct. R. Civ. P. 114
Rule 114. Deadline for Filing a Written Response with the Court After Service of a Complaint, or After Service of a Cross-Claim, Counterclaim, or Third-Party Complaint; Appearance
a. Time to respond after service of a summons and complaint. Except as otherwise stated in these rules, a defendant who is served with a summons and complaint within the State of Arizona must file a written answer or response with the court within twenty (20) days after the date of service. A defendant who is served with a summons and complaint outside the State of Arizona must file a written answer or response with the court within thirty (30) days after the date of service. [ARCP 12(a), 4.2(m)] b. Time to respond after service of a counterclaim or cross-claim. A party who is served with a counterclaim or a cross-claim must file a written answer or response with the court within twenty (20) days after service. [ARCP 12(a)] c. Time to respond after service of a third-party complaint. A defendant who is served with a third-party complaint must file a written answer or response with the court within the time provided in Rule 114(a). [ARCP 12(a), 14(a)] d. Failure to respond; default. A party who has been properly served with a complaint, a third-party complaint, a counterclaim, or a cross-claim and who fails to file a written answer or response within the time allowed may be defaulted as provided in Rule 140. e. Appearance. A party's appearance occurs when the party or the party's attorney first files a pleading or other document in the case. After a party has made an appearance, all documents filed by any other party in the case must be served under Rule 120 on all parties that have appeared in the case.