Wyo. Stat. § 35-11-208: Review of actions on applications.

(a) An applicant may seek relief pursuant to W.S. 35-11-802 on any final action taken on a permit including the director's refusal to grant a permit under the operating permit program or failure to act on a completed application within eighteen (18) months.

(b) Any person who participated in the public comment process on a permit application and who is aggrieved by any final action taken by the director on a permit application may seek relief pursuant to W.S. 35-11-1001.