The code must connect four controlled things
Product
Correct variant and pack size
Identifier
The intended data or URL
Contrast, dimensions and placement
Destination
Owned, tested and maintained
The printed code is only one end of the system
A QR code can point to a web page, while a GS1-powered code can carry standards-based identification. Decide what the code must do before it is put into the artwork. A restaurant menu link, product traceability route and point-of-sale identifier have different owners and requirements.
Ask who controls the destination after the print run. A short-lived campaign link or a third-party redirect can fail while perfectly good labels remain in circulation. Prefer a managed route with a clear owner and maintenance plan. Record the intended destination and test it outside your own logged-in browser.
Versioning is a data job
Six products with three sizes each produce 18 label versions before language or batch differences. Make a version register showing the approved text, code, size and quantity for each one. Use consistent file names and remove superseded exports. Do not rely on a thumbnail to distinguish two nearly identical products.
Digital production can be suitable for shorter and changing runs, but the checks still need to be designed. Review long product names, unusual characters, maximum data values and missing fields. If a code changes per item, agree the data structure and validation route before assuming the job is a simple artwork repeat.
A local maker's seasonal range
Consider a hypothetical Warrington producer with four flavours and two pack sizes. The eight label versions share a design, but ingredient statements, net quantities and identifiers may differ. The product owner should approve those relationships in a table, then check representative finished labels on the correct packs.
A promotional colour can help visual navigation but should not be the sole distinction. Staff and customers also need clear text. Allow enough space for the longest approved description, and test the surface finish. Small code modules, curved placement and low contrast can interfere with scanning.
Phone tests and verification have different roles
Scan the printed sample with ordinary devices to test the consumer journey. Check that it lands on the intended page, loads without special permissions and has usable information. For retail or supply-chain identifiers, follow the applicable GS1 specifications and arrange appropriate barcode verification. A phone's successful decode alone cannot establish the required print grade.
Keep the approved artwork, data register and code-destination record together. If a page changes, confirm that the new content remains appropriate for existing packs. If product information changes, decide whether existing physical labels can still be used. Treat the ongoing link as part of the product, not as a decorative add-on.
Plan for a destination that outlives the campaign
Some product labels remain on shelves or in homes long after a marketing launch. The linked information should stay appropriate for that physical product. If the business changes a recipe, pack size or range, decide how an older code destination will identify the older version. Replacing the page with unrelated new content can confuse the customer.
A redirect may be a sensible technical tool, but it needs an owner and a record. Avoid a chain of unmanaged short links that no one can update when an account changes. For standards-based product identification, follow the relevant GS1 guidance and retailer requirements rather than improvising a marketing URL structure.
Before approval, test more than one record and more than one device. Include the longest data value and the smallest proposed printed code. Keep consumer journey tests separate from formal barcode verification. Both are useful, but they establish different things. The final approval should identify the artwork version, data version and destination behaviour that were actually tested.
| Code use | Required conversation |
|---|---|
| A marketing URL | Who owns the link and how long it must work. |
| A retail product identifier | GS1 specification, data and verification. |
| A changing batch field | Source data, exceptions and record checks. |
Two questions before ordering
Are all QR codes suitable for supermarket tills?
No. A marketing link is not automatically a standards-based retail identifier. Follow the retailer and GS1 requirements for the use.
Can digital printing handle many versions?
It may be suitable, but quantities, files, data validation and finishing need assessment for the specific order.
Sources and what they establish
The linked publishers provide the source facts. The print-buying analysis and worked examples on this page are original. Manufacturer announcements describe industry developments, not equipment ownership at this site.
- GS1 UK: next-generation barcodes in My Numberbank ↗14 April 2026
- BPIF Labels: September 2026 technical and market updates ↗September 2026
Sources checked 2 October 2026. Source dates are distinct from this article’s publication date. Undated reference pages are identified as references.