Automobile adaptive equipment (AAE) necessary to ensure safe operation of an automobile is exempt from sales and use tax when sold or given to an honorably discharged disabled veteran who has a service-connected disability under 38 U.S.C. § 3901. The seller should maintain a copy of a completed VA Form 10-1394 or 21-4502.
Reference: Important Notice 07-22. Tenn. Code Ann. § 67-6-353(a).