Mark every product.
Read every movement.
Prove every process.

Choose traceability equipment from the question the record must answer

Start by writing one real traceability question, such as “Which finished batches used this material lot?” or “Which operation has this component completed?” Then identify the physical events and records required to answer it. This gives hardware selection a specific job.

Item, batch or movement?

A batch identifier groups production; a serial identifier distinguishes an item. A movement event records a transfer or location change. Decide the required level of detail and where it changes, for example when items enter a case or a material lot contributes to several batches.

Keep the physical and digital records together

Map where an identifier is printed, applied, marked or read, and which system owns the authoritative record. A scanner reading a code establishes a capture event; its meaning still depends on the production state and the validation applied. Define the comparison with the expected order, part or destination.

Include exceptions in the first pilot

Use a missed read, an incorrect label, split material, rework and an interrupted connection in the agreed test. Decide which events can be retried and which require approval. Corrections should preserve enough history to explain why the record changed.

Prove retrieval, not only collection

Ask production and quality staff to retrieve the selected item's or batch's history using the pilot records. Identify missing handovers and ambiguous identities. Recording more data is not a substitute for answering the agreed question clearly.

For material-to-output relationships use batch and lot traceability. For individual assembly history use serialisation and genealogy; for controlled movement events review RFID work-in-progress tracking.