No license shall be denied, suspended, revoked, or not renewed hereunder without the Board of Consumer Protection and Business Licensing first affording the licensee an opportunity for a hearing. At least 15 calendar days prior to the date set for the hearing, the Board of Consumer Protection and Business Licensing shall:notify the applicant or the licensee in writing of the date, time, and place set for the hearing; specify the reason why the Board of Consumer Protection and Business Licensing proposes to refuse, deny, suspend, revoke, or not renew the application or license; and afford all parties the opportunity to be heard in person and by counsel. The written notice shall be served by registered or certified mail. Within 10 working days following the hearing, the Board of Consumer Protection and Business Licensing shall render a decision and the reasons therefor in writing and shall forward a copy of the same to all parties by certified or registered mail. City Code, 1976/83, art. 15, §139(b) Ord. 89-273