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GTIN (Global Trade Item Number)

GTIN Symbology

The Global Trade Item Number (GTIN) is used as the unique ID of goods or service throughout the world on both barcode labels and RFID tags. An individual item in the supply chain can get its unique identification from 14-digit GTIN field.

There are 5 symbologies support GTIN data structure as indicated below.

Data Structures GTIN Format Download
GTIN-14
GS1-Databar
N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N11 N12 N13 N14 GS1-Databar
GTIN-14
GS1-128
ITF-14
N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N11 N12 N13 N14 GS1-128
GTIN-13
EAN-13
0 N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N11 N12 N13 EAN-13
GTIN-12
UPC-A
0 0 N1 N2 N3 N4 N5 N6 N7 N8 N9 N10 N11 N12 UPC-A
GTIN-8
EAN/UCC-8
0 0 0 0 0 0 N1 N2 N3 N4 N5 N6 N7 N8 UPCE EAN8
gtin label

GS1-Databar was called Reduced Space Symbology before. It takes less space than UPC/EAN barcode. Meanwhile, GS1-Databar is able to encode GS1 Application Identifier (AI) such as Price, Expiry Date, Coupon Code, and Serial Number.

When identifying books, the EAN/UCC-13 or UCC-12 should be attempted prior to choosing ISBN, ISMN, or ISSN.
The EAN.UCC Prefix 978 is always added in fron of the ISBN number.
The EAN.UCC Prefix 979 is always added in fron of the ISMN number.
The EAN.UCC Prefix 977 is always added in fron of the ISSN number.

Two-digit Add-On Symbol

Serial publications can use a 2-digit symbol to help identify its nature of being Dailies, Weeklies, Bi-Weeklies, Monthlies, Quarteries, Annuals or Special intervals. The two-digit symbol is placed to the right of the original GTIN symbol and parallel to it. And the same print quality apply.

Five-digit Add-On Symbol

Books can use a 5-digit symbol to help identify its other information, like pricing. The five-digit symbol is placed to the right of the GTIN symbol and parallel to it. And the same print quality apply.