In the event a person subject to the Business Tax gives credit to a customer for tangible personal property voluntarily returned to him or gives a credit or allowance to a customer as an adjustment or otherwise with respect to a specific sale, whether or not the property is returned, the amount of credit or allowance actually given or credited to the customer's account may be deducted from the gross sales subject to the Business Tax.
Tenn. Comp. R. & Regs. 1320-04-05-.45
Authority: T.C.A. §§67-5822 and Section 67-101.