Section 2-20 - Service of Notices (a) A notice issued in accordance with this Rule, except for a notice of summary suspension which shall be considered properly served pursuant to Chapter 2, Section 17, shall be considered to be properly served if it is served by one of the following methods: - (i) The notice is personally served by the regulatory authority, a law enforcement officer, or a person authorized to serve a civil process to the license holder, the person in charge, or person operating an establishment or processing plant without a license;
- (ii) The notice is sent by the regulatory authority to the last known address of the license holder or the person operating an establishment or processing plant without a license, by registered or certified mail return receipt requested or by other public means so that a written acknowledgment of receipt may be acquired;
- (iii) If the notice is unable to be delivered after reasonable attempts to serve, then the notice shall be clearly posted by the regulatory authority at a public entrance to the establishment or processing plant; or
- (iv) The notice is provided by the regulatory authority in accordance with another manner of service authorized in law.
010-2 Wyo. Code R. § 2-20