The board shall decide all applications and appeals within 30 days after the final hearing thereon. A copy of the board's decision shall be transmitted to the applicant or appellant and to the building inspector. Such decision shall be binding upon the building inspector and observed by him, and he shall incorporate the terms and conditions of the same in the permit to the applicant or appellant whenever a permit is authorized by the board. A decision of the board shall not become final until the expiration of five days from the date such decision is made unless the board shall find the immediate effect of such decision is necessary for the preservation of property or personal rights and shall so certify on the records.

(Code 1969, § 5.286; Code 1977, § 28-496)