North Carolina Administrative Code Title 17 — Revenue
17 NCAC 07B .0108 — Trade Discounts And Cash Discounts
(a) Trade and Bargaining Discounts. -- A trade discount is a reduction in the price a seller charges that is extended to a particular purchaser or group of purchasers without reservation at the time the sale is being negotiated. A bargaining discount is a reduction in the price a seller charges that is extended to a purchaser at the time the sale is being negotiated as a result of bargaining between the purchaser and the seller. The sales price of an item, as the term item is defined in G.S. 105-164.3, does not include a trade discount or bargaining discount that is not reimbursed by a third party. (b) Cash and Terms Discounts. -- A cash or terms discount is a reduction in the price a seller charges that is extended to the purchaser for prompt payment of an invoice. The sales price of an item does not include a cash or terms discount that is not reimbursed by a third party. (c) Trade-ins and Over-allowance. -- The amount of a trade-in, including an over-allowance, which is the difference between the trade-in amount and the actual cash value of the trade-in, taken by a purchaser as a credit or partial payment on the sale of an item is not a reduction in the sales price of the item. The trade-in is consideration given towards the purchase of the item. Any applicable sales or use tax shall be computed and paid on the sales price of the item without any deduction for a trade-in.
Source: official text