Wyoming MISC GA 7. Affidavit to Allow Service by Registered or Certified Mail is a document used by a defendant in a Wyoming court case that allows them to accept service of process via registered or certified mail. This document is typically filed in the court where the case is pending, and the defendant must sign it in front of a Notary Public. The affidavit is also known as a Waiver of Service of Process. There are two types of Wyoming MISC GA 7. Affidavit to Allow Service by Registered or Certified Mail: an Original Affidavit and a Renewal Affidavit. The Original Affidavit is filed in the court at the beginning of the case, and the Renewal Affidavit is filed if the defendant needs to extend the period of time they are allowing service by registered or certified mail.