An Arizona Affidavit of Service of Subpoena is a legal document that must be filed with the court in Arizona after a Subpoena has been served. This document certifies that a witness has been properly served with the Subpoena and acknowledges that the witness has received the documents. There are two main types of Arizona Affidavit of Service of Subpoena, the first is a Personal Service Affidavit which must be completed when a witness is personally served with the Subpoena. The second type is a Mail Service Affidavit which must be completed when a witness is served with the Subpoena by mail. Both documents must be notarized, signed by the witness, and filed with the court.