What is a waiver of service?

A person to an action may also sign an acceptance also known as a waiver of service; waiving service saves costs and gives the person answering 60 to respond to the complaint instead of 20.  To waive service the defendant, the person who would have been served, issuing a waiver in writing, signing and filing it with the court. More information about the specific requirements can be found in Arizona Rules of Civil Procedure Rule 4(f) and 4.1(c).
Resources:
•    Rule 4 of Arizona Rules of Civil Procedure
•    Rule 4.1 of Arizona Rules of Civil Procedure