045-3 Wyo. Code R. § 3-13
As nearly as may be, the hearing shall be conducted in accordance with the following order of procedure:
(a) The Commission, Commission Authorized Panel, or Presiding Officer shall state the docket number and title of the matter and case to be heard, and shall direct that the petition and formal notice be included in the record. The appearance of any Petitioner or Petitioners shall be noted. All subpoenas issued shall be noted for the record.
(b) An opening statement may be made by each party.
(c) The Petitioner shall thereupon present the Petitioner's evidence. All exhibits offered by and on behalf of the Petitioner, shall be marked by letters of the alphabet beginning with "A". Cross-examination shall be permitted after testimony of each witness.
(d) Upon the conclusion of Petitioner's case, the Respondent shall thereupon present its evidence. The Respondent's evidence or exhibits shall be marked separately so as to identify the respective exhibits commencing with the number "1".
(e) Witnesses may be questioned by the Commission, Commission Authorized Panel, or Presiding Officer at any time.
(f) At the conclusion of the Respondent's case, the Petitioner may present rebuttal evidence or exhibits. Subsequent testimony may be received from the parties at the discretion of the Commission, Commission Authorized Panel, or Presiding Officer.
(g) Closing statements may be presented at the conclusion of the presentation of evidence. Rebuttal statements may be made by the parties to the proceeding, at the discretion of the Commission, Commission Authorized Panel, or Presiding Officer. The time for any oral argument may be limited.
(h) After all proceedings have been concluded, all witnesses shall be dismissed and excused and the hearing declared closed.
(i) Any party may tender written briefs. The Commission, Commission Authorized Panel, or Presiding Officer shall take the case under advisement and shall declare unto the parties that the decision of the Commission shall be announced within the due and proper time following consideration of all the matters presented at the hearing pursuant to the Wyoming Administrative Procedures Act.
045-3 Wyo. Code R. § 3-13