A written appeal may be submitted to the Board of Zoning and Building Appeals, within 20 days after refusal of the issuing authority to issue a zoning or building permit.
   The Board of Zoning and Building Appeals shall hold a public hearing on each appeal, and shall give 10 days' public notice of the time and place thereof in the manner established under Section 4.12 of this Charter.  Written notice of the hearing shall also be sent by the Board, by first class mail, at least 10 days before the date of the public hearing, to the owners of property within or contiguous to the area which is the subject of the appeal.  Such written notices shall be mailed to the addresses of such owners appearing on the current tax duplicate of the County.
   Each appeal received by the Board of Zoning and Building Appeals shall be acted upon by it within 60 days.
(Amended 11-5-85)