Tennessee Code Title 63. Professions of the Healing Arts § 63-17-125

(a) Within thirty (30) days of the date of delivery, any purchaser of a hearing instrument from an audiologist licensed by the board to practice the assessing, selecting, fitting or dispensing or engaging in the sale of hearing instruments to the human ear is entitled to return the hearing instrument for any reason; provided, that such instrument is returned in satisfactory condition, and such purchaser shall pay only reasonable charges for the hearing instrument and related services. Such return privileges apply only to a first-time purchaser of a hearing instrument.

(b) Charges to be imposed upon return of a hearing instrument as provided in subsection (a) shall be clearly stated in the bill of sale.

(c) This section shall not be construed to supersede any duly promulgated regulation issued by the federal trade commission.