Arizona Proof Of Delivery Or Mailing Notice Of Application In Informal Proceeding is a document used to provide proof of delivery or mailing of an application for an informal proceeding in the state of Arizona. The Proof of Delivery or Mailing Notice of Application serves as evidence that the application was sent to the recipient in good faith. It is important to note that this document does not guarantee the acceptance of the application. There are two types of Arizona Proof Of Delivery Or Mailing Notice Of Application In Informal Proceeding: 1) Proof of Delivery Notice, which is used to prove delivery of the application to the recipient and 2) Proof of Mailing Notice, which is used to prove mailing of the application to the recipient. This document is usually filed with the court in order for the recipient to be notified of the application.