In the event an application for a license is not approved or in the event any license issued pursuant to the provisions of this chapter is revoked, written notice shall be given to the applicant or licensee by personal service or by certified mail. The applicant or licensee shall have ten days after the receipt of such notice to appeal such refusal or revocation. Such appeal shall be perfected by filing a notice of the appeal with the Mayor. The Mayor shall appoint a board of three Council members who shall review their refusal or revocation of license within ten days. The Board shall cause notice of its decision to be served upon the applicant or licensee by certified mail or personal service within fifteen days of the date of hearing.