GS1 Application Identifier (AI)

Qualifier Name Description Data Format
00 SSCC (Serial Shipping Container Code) Identifies a logistic unit and allows it to be tracked N18
01 GTIN (Global Trade Item Number) Identifies trade items N14
02 Content (Product weight in kg) Net weight of the product, excluding all packing material N6
10 Batch/Lot Number References the batch or lot of the product Alphanumeric
11 Production Date Date when the product was manufactured YYMMDD
12 Due Date Date when the product should be consumed or sold YYMMDD
13 Packaging Date Date when the product was packaged YYMMDD
15 Best Before Date Date until which the product will retain its quality YYMMDD
17 Expiration Date Date until which the product is expected to be consumed or sold YYMMDD
20 Internal Product Variant Identifies an internal product variant within a product Alphanumeric
21 Serial Number Unique identifier assigned to a single item Alphanumeric
22 Consumer Package Variant Identifies the consumer package variant within a product Alphanumeric
240 Additional Item Identification Additional identification assigned by the manufacturer Alphanumeric
241 Customer Part Number Customer part number Alphanumeric
242 Made-to-Order Variation Number Variation number for made-to-order products Alphanumeric
250 Secondary Serial Number Additional serial number assigned to a single item Alphanumeric
251 Reference to Source Entity References the entity that originally issued the identification number Alphanumeric
253 Global Document Type Identifier Identifies the type of document Alphanumeric
254 GLN Extension Component Used to extend the Global Location Number (GLN) Alphanumeric
255 Global Coupon Number (GCN) Identifies a coupon for a specific product N13
30 Variable Count The number of variable-length elements within the barcode N2
37 Number of Units in Trade Item The number of units contained in the trade item N8