By the VixQR team · published on · 2 min read
QR Codes, Expiry Dates and Recalls: What 2D Barcodes Change
A linear barcode normally identifies a product type, not a specific unit, batch or date. When a recall affects one production run, businesses may remove…
A linear barcode normally identifies a product type, not a specific unit, batch or date. When a recall affects one production run, businesses may remove far more stock than necessary. When an item expires, checkout may not have the data required to stop it.
Structured 2D barcodes can carry a GTIN together with a batch, serial number or date. That creates use cases far beyond opening a Web page.
Blocking expired products at checkout
If a date is encoded correctly and the application understands it, the POS can compare it with the sale date. Depending on business rules, it can warn an employee, reject the item or request a manual check.
The code makes no decision by itself. The scanner must capture the data, the application must apply a reliable rule and staff must manage exceptions. Incorrect dates or unsynchronised systems can create false blocks.
Targeting only affected batches
When a recall applies to a batch, capturing that batch at receipt and sale enables a more precise response. Systems can locate affected stock, prevent its sale and create an audit trail. Serialisation can distinguish every unit, but it also raises data and infrastructure requirements.
The identifier must be understood by suppliers, logistics providers and retailers. Traceability is a chain: one participant that discards the batch data weakens the whole system.
Reducing waste through better visibility
Machine-readable dates can support stock rotation, markdowns before expiry and timely removal. Businesses must still distinguish date types and follow local rules. A best-before date does not always mean the same thing as a use-by date.
2D barcodes do not eliminate waste on their own. They make information available when software or a person can act on it.
What does the consumer see?
The same symbol can connect people to recall status, storage guidance, date explanations or return instructions. The public experience should remain clear even when the operational data is complex.
Do not expose raw parameters without context. A destination page can translate them into simple guidance: “this batch is not affected,” “do not consume this product,” or “return it to the store.”
Conditions for success
- Use the appropriate GS1 identifiers and attributes.
- Verify print quality at real operating speed.
- Capture the data throughout the chain.
- Define business rules for dates and recalls.
- Test error states and service continuity.
- Present understandable information to consumers.
A VixQR code can be enough for a simple information link. Automated checkout blocking requires a GS1 deployment integrated with retail systems.