Application for approval of a proposed airport site or for permission to alter or extend an existing facility shall be made on forms provided by the department and shall be filed in the office of the department in Hartford. No charge shall be made for any such approval and a notice of such approval shall be issued without charge to any person requesting the same. The department may, after notice and opportunity for hearing to holders of such approval, revoke such approval when it reasonably determines:
Conn. Agencies Regs. § 15-41-20