**Meaning & Definition of USE** The code that can be scanned is placed on pallets by carriers prior to shipping.
This code serves to identify both the shipment and the carrier responsible for its transport. A unique SCAC consisting of four characters is assigned to each carrier by the National Motor Freight Traffic Association, NMFTA,. A Standard Carrier Alpha Code (SCAC) is combined with it to create an extended tracking number or barcode. In technical …