In addition to his or her other duties and responsibilities to administer this title, the commissioner may:
Before any denial, suspension, or cancellation of a license or permit granted pursuant to this title, the applicant, licensee, or permit holder shall be afforded a hearing in the manner and subject to the conditions and procedures established by this chapter and the commissioner. The commissioner shall notify an applicant, licensee, or permit holder in writing of the denial, suspension, or cancellation by registered or certified mail or statutory overnight delivery to the last known address of the applicant, licensee, or permit holder appearing in the commissioner's files or by personal service upon the applicant, licensee, or permit holder by an authorized agent of the commissioner. Upon cancellation of a license or permit for cause under this paragraph, there shall be no renewal or reissuance of the canceled license or permit for a period of two years from the date of cancellation;
OCGA § 3-2-3