•  Bar code image validation fact sheet pdf 
•  TrueSource - Publishing via GDSN pdf 
•  RFID test  brochure centre pdf

These are available to members only. Members will need to log in to read these documents.

GS1 Supplier Handbooks (members only)

•  Sainsbury’s GDS Supplier Handbook pdf
•  MAKRO GDS Supplier Handbook pdf
•  Brakes GDS Supplier Handbook pdf
•  Albert Heijn GDS Supplier Handbook pdf
•  Mitchells & Butlers Food GDS Supplier Handbook pdf
•  Mitchells & Butlers Drinks GDS Supplier Handbook pdf
•  World Duty Free GDS Supplier Handbook pdf

•  GS1 General specification pdf (4.6MB)

How to guides (members only)

•  Bar coding variable measure items pdf (110KB)
  A product whose price is dependent on a measurement, which is continuously variable, cannot be identified using standard fixed measure identification numbers. Instead, the UK has adopted standard national structures for variable measure codes with specific reserved prefixes.
  
  
•  How to identify books, periodicals and printed sheet music pdf (443KB)
  Books, sheet music and periodicals can be identified with global trade item numbers (GTINs)
  
   
•  Labels and SSCCs pdf (158KB)
  The serial shipping container code (SSCC) is a unique serial number that is used to identify individual pallets, and this is one of the GS1 Standards for supply chain identification.
  
   
•  How to choose software for digital bar codes pdf (113KB)
  This guideline is designed to help users make informed decisions on purchasing software for digital bar code production.
  
   
•  How to print bar code symbols pdf (104KB)
  This document explains the types of on-demand bar code printers available, provides guidance on the different methods of printing and will help in the choice of equipment.
   
   
•  How to chose the right scanner pdf (141KB)
  
  
• Barcode validation and verification guide pdf (527KB)
  Validation and verification guide.
  
  
•  Improving bar code quality pdf (3.5MB)
  The guidance documented here is intended to help packaging designers and printers achieve good quality printed bar codes on their packaging and products. 
  
   
•  Ink jet printing GS1-128 pdf (595KB) 
  Explains more about voids in bar code symbols and how to manage them. Ideal for companies wanting to use ink jet printers as part of the production process and provides the framework and testing for your procedures to ensure scannable bar codes.
  
   
•  Ink jet printing trial report pdf (118KB)
  GS1 UK's Bar code Innovation's group test the successful printing of ITF-14 symbols onto fibre board.
  
   
•  Full overview on GS1 DataMatrix pdf (2.69MB)
  
  
•  Standard International Logistic Label - STILL
  The Standard International Logistic Label (STILL) recommends how human readable and bar coded data is used on the GS1 Logistics Label to enable efficient handling of logistics units in warehousing and transport processes. It recommends the best content for the label(s) within the framework of the relationship between logistic services clients (retailers or suppliers), carriers and logistic services providers.