Tennessee Code Title 47. Commercial Instruments and Transactions § 47-25-626

(a) No distributor or wholesale dealer who supplies retail dealers with gasoline, diesel fuel, or other motor vehicle fuels shall prohibit or restrict any such supplied retail dealer from voluntarily carrying for sale gasohol or any other fuel containing alcohol equal to at least ten percent (10%) of total volume.

(b) Any such distributor or wholesale dealer who prohibits or restricts or attempts to prohibit or restrict a supplied retail dealer shall be subject to a fine of fifty dollars ($50.00) per day per retail dealer upon conviction of such offense.