Standards

Identification Keys

• What is a Global Trade Item Number (GTIN)?
• What is the difference between a GS1 GTIN, a barcode, an EAN, and a UPC?
• Which barcode should I use for pallets?
• What is an SSCC or Serial Shipping Container Code?
• What is a Global Location Number (GLN)?
• What is a GS1 Company Prefix?
• What are Application Identifiers (AI)?

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Symbols

• Where should a barcode be placed on a retail product?
• Which barcodes should I use for outer cases?
• What is a Quiet Zone?
• What is Barcode Verification and why should I do it?
• Where should pallet labels be placed?
• What colour should a barcode be?
• Which barcode should I use for point of sale?
• What size should a point of sale barcode be?
• Why isn't my barcode scanning?
• What is the difference between Barcode Symbols and which one do I need to use?
• What size should an ITF-14 barcode be?

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Product Changes

• My product has changed, do I need to assign a new barcode number?

New Products

• I am selling multi-packs or bundles. Should I assign the bundle its own barcode?
• Can I reuse a GS1 barcode on another product?

GTINs

• I'm publishing a book, magazine, journal, or newspaper, what barcode do I need?
• I am going to start selling internationally. Can I use the same GTINs in any country?
• What’s the difference between a GS1 Barcode and others I can purchase online?
• I’m selling a product made by another company. Do I need to get it a GS1 GTIN?
• What is a Check Digit?
• Can I use GS1 Ireland numbers outside of the Republic of Ireland?
• Can a product have more than one GTIN?
• How do I find out who owns a GTIN or Barcode?
• How do I identify my products and cases?
• Do I need a UPC licence to sell in America?
• What is the Check Digit Calculator?
• How do I create a barcode number if I'm not using Barcode Manager?

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