Any person aggrieved by the action of the director taken under section 46-5 may appeal to the county board of appeals. Such appeal may be taken by filing a written request with the county board of appeals within thirty (30) days after posting of notice of the director's action. Within thirty (30) days thereafter, the county board of appeals shall hold a hearing thereon and shall give due notice of such hearing to interested parties. As soon thereafter as practicable, the county board of appeals shall either affirm, rescind or modify the action of the director. All actions, decisions and determinations of the director or the county board of appeals shall be made and taken only in accordance with the provisions of this chapter and other applicable laws, ordinances and regulations. (Mont. Co. Code 1965, § 101-6; 1972 L.M.C., ch. 16, § 13; 1980 L.M.C., ch. 38, § 1.)