The Commissioner of Assessments and Licenses shall cause an investigation to be made of the character of the applicant, or if the applicant is a corporation, of the officers and business manager who will have the management of the business. An applicant shall be rejected if the Commissioner of Assessments and Licenses finds any one of the persons named in the application not of good moral character. Rejection shall be made by the Commissioner in writing to the applicant, stating reasons the applicant shall have the right to appeal to the Board of Zoning Appeals, established pursuant to Charter Section 76-6. The Board has full power to confirm such rejection or to order that a license be issued to the applicant upon the filing of a schedule of rates by the applicant as provided by the terms of this chapter. To perfect appeal, the applicant shall give notice in writing to the Board within ten (10) days after receiving notice of rejection. Such hearing upon appeal shall be had within ten (10) days after such notice is filed with the Board. No license shall be granted to any applicant so rejected, on a subsequent application, until six (6) months have elapsed from the date of such final rejection.