(a) Whenever any document or other material that is required to be served on, filed with or otherwise delivered to the Commissioner or hearing officer, such service, filing or delivery shall be made in any manner permitted under the Wyoming Rules of Civil Procedure for service of process.
(b) Whenever any document or other material is required to be served on or otherwise delivered to a party in connection with proceedings before the Commissioner, such service or delivery shall be made upon:
(c) Whenever any document or other material is required to be served on, filed with or otherwise delivered to any other person, such service, filing or delivery shall be made in any manner permitted under the Wyoming Rules of Civil Procedure for service of process.
(d) Any notice or other written communication that may be delivered by certified mail may be delivered by any reputable, nationwide overnight courier service that obtains the signature of the person to whom delivery is made and that retains records of delivery.
021-5 Wyo. Code R. § 5-12