055-5 Wyo. Code R. § 5-4
(a) In all contested cases, the parties shall file all original documents, pleadings, and motions with the Commission, as applicable, with true and correct copies of the particular document, pleading, or motion properly served on all other parties accompanied by a certificate of service. The Commission shall maintain the complete original file, and all parties and the hearing officer shall be provided copies of all contested case documents, pleadings, and motions contained therein.
(b) Filing and service under this rule shall be made either by hand delivery or by U.S. mail transmittal to the last known address. Parties wishing to file by means other than those described in this Section shall obtain preapproval from the Commission.
055-5 Wyo. Code R. § 5-4
Amended, Eff. 1/22/2018.