UBP GUIDE / UBP
Inspection is useful only when the inspector has unambiguous criteria and authority. A request to ‘check quality’ defines neither the sample, the defect nor the decision on the lot.
Discuss your requestAgree the inspection point: goods are produced, counted and sufficiently packed for review but have not shipped. The inspector needs lot identification and random access rather than samples selected by the supplier.
For every characteristic, state the method, tool, tolerance and evidence: photo, video, measurement or functional test. Define critical, major and minor defects and checks for labels, quantity and packaging separately.
Before the visit, name the report recipient and decision owner and define the options: accept, rework, re-inspect or hold shipment. Statistical sampling does not prove that every unit is defect-free.
Source: Primary guidance
Prepare your request
Order and lot identification
Final specification and drawings
Approved sample or reference
Measurement methods and tolerances
Defect classes and acceptance limits
Functional tests
Packaging and labels
Report and disposition workflow
ISO 28590 introduces acceptance-sampling systems, but a competent person must choose the specific plan. Inspection does not replace testing, certification or critical-process control.
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Send the specification and production stage so we can turn the requirement into a clear brief for an inspection partner.
