No retail or wholesale seller of gasoline, diesel fuel, or other motor vehicle fuels who permits purchases or sales on credit of such gasoline, diesel fuel, or other motor vehicle fuels shall refuse to offer and permit similar purchases or sales on credit of gasohol or other fuels containing alcohol equal to at least ten percent (10%) of total volume.
Credit sales of gasohol, etc
Tenn. Code Ann. § 47-25-625, under Petroleum Trade Practices.
Tenn. Code Ann. § 47-25-625