020-6 Wyo. Code R. § 6-2
(a) The petition for review by the Director shall set forth in writing those items required by Chapter I, Section 3. c.(1)-(3). Upon receipt, the Director shall forward a copy thereof to the affected Administrator and to any party who appeared in prior proceedings pertaining to the same matter. A petition for review of a notice of abatement under W.S. 35-11-437 shall be filed within thirty (30) days. All other notices shall be filed within fifteen (15) days.
(b) Within thirty (30) days the Director shall grant or deny the petition and schedule any requested conference. Notice of the decision on the petition shall be sent to the petitioner, the affected Administrator, any person served with the petition and all district offices. If the petition is denied, the Director shall give a brief statement of the reasons for the denial.
020-6 Wyo. Code R. § 6-2