GS1-128


GS1-128 is an application standard of the GS1 implementation using the Code 128 barcode specification. The former correct name was UCC/EAN-128. Other no longer used names have included UCC-128 and EAN-128. The GS1-128 standard was introduced in 1989 and uses a series of Application Identifiers to include additional data such as best before dates, batch numbers, quantities, weights and many other attributes needed by the user.

Overview

The GS1-128 standard is an application standard within the Code 128 barcode. It identifies data with Application Identifiers. Without spaces below, a simple SSCC barcode would look something like this:
00 12345678 0000000001
In the example above, is the single character Function Code 1, which specifies that a Code 128 barcode is a GS1-128 code. 00 is the serial shipping container code AI that designates the following data as a serial shipping container code. 12345678 is the company number. 0000000001 is the container number.
It is possible to encode several pieces of data in one barcode. For example, a product serial number, production date, and expiration date together would look something like this:
21 12345 11 090101 17 100101
An additional FNC1 is required before the production date, because the preceding product serial number is variable length. This is not required before the expiration date, because the production date is fixed length. Reordering the components to place a variable-length field last produces a more compact form:
11 090101 17 100101 21 12345

Mapping to EPC">Electronic Product Code">EPC codes

As EPC and EAN respectively UCC as code systems are not congruent, GS1-128 gets mapped to EPC-GTIN with a reference list including both codes per type of product. However, there is no mapping for the serial number with EPC-SGTIN.

Full list of Application Identifiers

This list is from 2003 and therefore out of date and possibly incorrect. Also this is copyrighted by GS1 – for the up to date list please see the link below for the GS1 General Specifications Because code 128 is more efficient at coding pairs of digits, preference is given to even lengths in numeric fields.
All dates are formatted as YYMMDD.
y in the AI gives a number of decimal places in the following value. The represented value is the following integer divided by 10y. For example, a net weight of 22.7 kg could be coded as 3101 000227, 3102 002270, 3103 022700, or 3104 227000.
CodeDescriptiondata length
00Serial Shipping Container Code 18
01Global Trade Item Number 14
02GTIN of Contained Trade Items14
10Batch/Lot Numbervariable, up to 20
11Production Date6
12Due Date6
13Packaging Date6
15Best Before Date 6
17Expiration Date6
20Product Variant2
21Serial Numbervariable, up to 20
22Secondary Data Fieldsvariable, up to 29
23nLot number nvariable, up to 19
240Additional Product Identificationvariable, up to 30
241Customer Part Numbervariable, up to 30
242Made-to-Order Variation Numbervariable, up to 6
243Packaging component numbervariable, up to 20
250Secondary Serial Numbervariable, up to 30
251Reference to Source Entityvariable, up to 30
253Global Document Type Identifiervariable, 13–17
254GLN Extension Componentvariable, up to 20
255Global Coupon Number variable, 13–25
30Count of itemsvariable, up to 8
310yProduct Net Weight in kg6
311yProduct Length/1st Dimension, in meters6
312yProduct Width/Diameter/2nd Dimension, in meters6
313yProduct Depth/Thickness/Height/3rd Dimension, in meters6
314yProduct Area, in square meters6
315yProduct Net Volume, in liters6
316yProduct Net Volume, in cubic meters6
320yProduct Net Weight, in pounds6
321yProduct Length/1st Dimension, in inches6
322yProduct Length/1st Dimension, in feet6
323yProduct Length/1st Dimension, in yards6
324yProduct Width/Diameter/2nd Dimension, in inches6
325yProduct Width/Diameter/2nd Dimension, in feet6
326yProduct Width/Diameter/2nd Dimension, in yards6
327yProduct Depth/Thickness/Height/3rd Dimension, in inches6
328yProduct Depth/Thickness/Height/3rd Dimension, in feet6
329yProduct Depth/Thickness/3rd Dimension, in yards6
330yContainer Gross Weight 6
331yContainer Length/1st Dimension 6
332yContainer Width/Diameter/2nd Dimension 6
333yContainer Depth/Thickness/3rd Dimension 6
334yContainer Area 6
335yContainer Gross Volume 6
336yContainer Gross Volume 6
340yContainer Gross Weight 6
341yContainer Length/1st Dimension, in inches6
342yContainer Length/1st Dimension, in feet6
343yContainer Length/1st Dimension in, in yards6
344yContainer Width/Diameter/2nd Dimension, in inches6
345yContainer Width/Diameter/2nd Dimension, in feet6
346yContainer Width/Diameter/2nd Dimension, in yards6
347yContainer Depth/Thickness/Height/3rd Dimension, in inches6
348yContainer Depth/Thickness/Height/3rd Dimension, in feet6
349yContainer Depth/Thickness/Height/3rd Dimension, in yards6
350yProduct Area 6
351yProduct Area 6
352yProduct Area 6
353yContainer Area 6
354yContainer Area 6
355yContainer Area 6
356yNet Weight 6
357yNet Weight/Volume 6
360yProduct Volume 6
361yProduct Volume 6
362yContainer Gross Volume 6
363yContainer Gross Volume 6
364yProduct Volume 6
365yProduct Volume 6
366yProduct Volume 6
367yContainer Gross Volume 6
368yContainer Gross Volume 6
369yContainer Gross Volume 6
37Number of Units Containedvariable, up to 8
390yAmount payable variable, up to 15
391yAmount payable variable, 3–18
392yAmount payable per single item variable, up to 15
393yAmount payable per single item variable, 3–18
400Customer Purchase Order Numbervariable, up to 30
401Consignment Numbervariable, up to 30
402Bill of Lading number17
403Routing codevariable, up to 30
410Ship To/Deliver To Location Code 13
411Bill To/Invoice Location Code 13
412Purchase From Location Code 13
413Ship for, Deliver for, or Forward to Location Code 13
414Identification of a physical location 13
420Ship To/Deliver To Postal Code variable, up to 20
421Ship To/Deliver To Postal Code variable, 3–15
422Country of Origin 3
423Country or countries of initial processingvariable, 3–15
424Country of processing3
425Country of disassembly3
426Country of full process chain3
7001NATO Stock Number 13
7002UN/ECE Meat Carcasses and cuts classificationvariable, up to 30
7003expiration date and time10
7004Active Potencyvariable, up to 4
703nProcessor approval ; n indicates sequence number of several processorsvariable, 3–30
8001Roll Products: Width/Length/Core Diameter/Direction/Splices14
8002Mobile phone identifiervariable, up to 20
8003Global Returnable Asset Identifiervariable, 14–30
8004Global Individual Asset Identifiervariable, up to 30
8005Price per Unit of Measure6
8006identification of the components of an item18
8007International Bank Account Numbervariable, up to 30
8008Date/time of productionvariable, 8–12
8018Global Service Relationship Number18
8020Payment slip reference numbervariable, up to 25
8100Coupon Extended Code: Number System and Offer6
8101Coupon Extended Code: Number System, Offer, End of Offer10
8102Coupon Extended Code: Number System preceded by 02
8110Coupon code ID variable, up to 30
8200Extended Packaging URLvariable, up to 70
90Mutually Agreed Between Trading Partnersvariable, up to 30
91–99Internal Company Codesvariable, up to 90