Tenn. Code § 67-6-604
Whenever any person fails to comply with any provision of this chapter or any rule or regulation of the commissioner relating to this chapter, the commissioner, upon hearing, after giving the person ten (10) days' notice in writing, specifying the time and place of a hearing and requiring the person to show cause why the person's certificate of registration should not be revoked, may revoke or suspend any one (1) or more of the certificates of registration held by the person. The notice may be served personally or by certified mail directed to the last known address of the person. The commissioner may designate a hearing officer from the department to conduct the hearings provided for in this section, who shall make findings of fact, conclusions of law, and proposed orders based thereon. The commissioner, if concurring, shall issue the order; or may, upon review of the record, make such findings, conclusions, and issue such orders as, in the commissioner's discretion, the record justifies.
T.C.A. § 67-6-604