THE DECISION IN BRIEF
The supplier says a small internal change will not affect performance. What should we request?
Ask for an identified before-and-after change, its reason, affected orders and a proposed evaluation scope. A reassurance is useful context but cannot replace a traceable decision.
Describe the change at the right level
Identify the component, drawing or material revision and the effective production boundary. Ask whether tooling, source, finish, contact materials or assembly method changes as well. One visible substitution can include several less visible differences.
Where details are confidential, establish an appropriate technical review route. Do not interpret limited disclosure as evidence that nothing meaningful changed, or demand that proprietary data be placed in public artwork files.
Choose evidence from the consequences
Have the responsible technical team decide which fit, formula, dispensing, storage, appearance or packing checks need repeating. A change affecting only decoration may still require an appearance or abrasion comparison; a change in contacting materials raises different questions.
Use the approved reference as the baseline and identify revised samples separately. Record what is not being reassessed and why. A generic full retest statement with no configuration, conditions or results is as hard to use as an undocumented waiver.
Control the transition
State who authorizes the change and when purchasing and receiving should expect the new version. Deal explicitly with old stock, mixed shipments and replacement parts. Update customer-facing specifications only after the decision is made.
Close the request with an explicit decision: rejected, accepted, or limited to a defined trial. Give purchasing and receiving the effective revision and affected order range. A supplier email marked approved should not conceal an unresolved condition in the attachment.
Sources & further reading
Use the references below alongside the selected component drawing and agreed sample plan. Product-specific claims need product-specific evidence.
VIEW THE COMPONENTS
