Tenn. Code Ann. § 63-10-209: Distribution of drugs or drug samples by manufacturer's representative - Distribution of free samples

(a) Nothing in this chapter shall prohibit the distribution of drugs or sample drugs by a manufacturer's representatives acting in the normal and customary performance of their duties.

(b) Manufacturers or their agents may distribute free samples of prescription drugs or controlled substances to practitioners authorized by law to prescribe or dispense such drugs or to pharmacies of health care entities at the written request of a practitioner in accordance with federal law.