The Value Code, which represents the face value of the coupon, must be coded correctly on the coupon. The UCC Prefix 5 can also be used on in-store distributed coupons. The EAN.UCC 99 Coupon Code can be used to code in-store distributed coupons that are not being doubled or tripled in the value of the coupons. Manufacturers must supply their customers with a correct listing of coupon Family Codes and make sure retailers receive updated Family Code listings on a regular basis. Manufacturers and their coupon printers must develop quality assurance programs to ensure the scannability and integrity of their coupon symbols at the retail point of sale.
Internet coupons represent one of the most recent advances in couponing.