A best-before marking and a batch code serve different purposes. One may communicate a date-related instruction or quality reference; the other identifies a production lot. The exact meaning depends on the wording and the manufacturer’s system.
Copy the marking before interpreting it
Look for the words beside the numbers, not just the numbers themselves. Record “best before,” “packed on,” or any other printed wording exactly. A string of digits without a label may be a code rather than an obvious calendar date.
If the format is unclear, photograph the marking and ask the manufacturer to explain it. Do not assume a sequence is month/day/year when another format is possible.
Keep product and date records together
- Brand, flavor, and container size.
- Exact printed date wording.
- Date or code exactly as shown.
- Batch or lot identifier, where separate.
- Any manufacturer clarification.
Do not substitute a laboratory report date for a product’s storage or date instructions. They describe different records. Use the actual package and the maker’s guidance for the product you have.
Visit The Chill Guide for label basics or request help with a specific marking.