Verify the scope behind a certificate
Read the legal entity, manufacturing site, standard, activities covered and validity dates. Confirm the certificate using an appropriate issuer or accreditation source. A certificate for one facility or activity should not be assumed to apply to every location or subcontracted operation.
Agree the applicable acceptance criteria
Specify which contract requirements, drawings and workmanship criteria govern the assembly. Resolve conflicting instructions before the build. A quality system supports consistent processes, but it does not automatically define the acceptance criteria for your particular product.
Trace the product through change
Know which materials, hardware revision, firmware and process records belong to a delivered unit or lot. Agree which changes require customer approval and how an engineering change propagates through purchasing, work in progress and finished stock. Traceability should be scoped to the risks and contractual requirements.
Ask how nonconformities are handled
Request the process for containment, disposition, root-cause investigation and corrective action. Define when the customer must be notified and who has authority to approve a deviation. Useful evidence includes how effectiveness is checked after a corrective action, rather than simply whether a report was written.
At a glance
| EVIDENCE | WHAT IT TELLS YOU | WHAT IT DOES NOT PROVE |
|---|---|---|
| Quality-system certificate | Certified organization and scope | Approval of every product |
| Inspection record | Result against stated criteria | All functional behavior |
| Traceability record | Link to identified materials or processes | Suitability unless requirements are defined |
| Product test report | Results under stated test conditions | Performance outside those conditions |
A practical checklist
- Confirm certificate entity, site, scope and validity.
- Define contract-specific acceptance criteria.
- Agree traceability and record retention.
- Identify subcontracted operations.
- Approve change-notification requirements.
- Review the corrective-action and deviation process.
Assign an owner to each open item and keep the decision with the project revision. A checked box should point to a document, approval or piece of evidence; it should not simply indicate that a topic was discussed.
A common mistake to avoid
Displaying a standard number as though it were a product endorsement. Always state whether a document concerns a quality system, workmanship, personnel qualification or product testing.
Put the guidance to work
Start with the RFQ preparation checklist, keep component information in the BOM template, and compare evidence using the supplier scorecard. Confirm project-specific requirements with your design team and manufacturing partner.
Explore the related manufacturing scope or return to the Quality & Standards guide hub.