Any person aggrieved by the denial, revocation or suspension of a license under this Division may appeal from the action of the Director to the Board of Appeals. Such person must file a notice of appeal with the clerk of the Board of Appeals within 20 days after service of notice of such action. Upon receiving such appeal, the Board of Appeals must hold a hearing within 30 days after the notice of appeal has been filed, and must act upon the appeal within 30 days after the hearing. (Mont. Co. Code 1965, §90-26; 2017 L.M.C., ch. 27, §1.)