

Of these, ITF-14, GS1-128, and GS1 Databar employ 14-digit data structures of which the 14th character is a packaging level indicator (i.e., item or case). Today, five symbologies support this GTIN data structure: UPC EAN ITF-14 GS1-128 and GS1 Databar (formerly Reduced Space Symbology).


The GTIN describes a family of GS1 (EAN.UCC) global data structures that employ 14 digits and can be encoded into various types of data carriers.
