The State of Tennessee CDL Division Office no longer has a fax number.
You may update your medical certification by sending us an email at DI.CDL.Medcert@tn.gov or by hitting the "Submit a Request" button at the top of the page at cdltn.zendesk.com.
You may also submit by Certified U.S. postal mail to:
Tennessee Department of Safety and Homeland Security - Commercial Driver License Division
1150 Foster Avenue
Nashville, TN 37243
For added convenience you may also Renew your CDL; Order a Duplicate CDL; and submit your Self-Certification Affidavit and Medical Exam Certificate online at:
For questions about matters other than Medical Certifications: please contact our Help Desk at DI.CDL.Helpdesk@tn.gov