Wyo. Stat. § 9-4-1206

(a) Any nonresident or foreign nonparticipating manufacturer who has not registered to do business in the state as a foreign corporation or business entity shall, as a condition precedent to having its brand families listed or retained in the directory required under W.S. 9-4-1205(g) , appoint and continually engage without interruption the services of an agent in this state to act as agent for service of process on whom all process, and any action or proceeding against it concerning or arising out of the enforcement of this act and W.S. 9-4-1202 , may be served in any manner authorized by law. The service shall constitute legal and valid service of process on the nonparticipating manufacturer. The nonparticipating manufacturer shall provide the name, address, phone number and proof of appointment and availability of the agent to the satisfaction of the attorney general.

(b) The nonparticipating manufacturer shall provide notice to the attorney general thirty (30) calendar days prior to the termination of the authority of an agent appointed under this section and shall further provide proof to the satisfaction of the attorney general of the appointment of a new agent no less than five (5) calendar days prior to the termination of an existing agent appointment. In the event an agent terminates an agency appointment, the nonparticipating manufacturer shall notify the attorney general of the termination within five (5) calendar days and shall include proof to the satisfaction of the attorney general of the appointment of a new agent.