04 / Acceptance and handover
Prove the result under a representative production condition
Run backward and forward trace exercises and reconcile used, rejected, returned, held and released quantities. Retain measured evidence for can pallet and supplier lot identity and pallet code, reconciliation and recall with method, sample position, limit, deviation, witness, approval and review trigger. Use representative can and end lots, position-stratified seam teardown and integrity tests, controlled fill and pressure measurements, defect challenges, coating and corrosion review, thermal and distribution conditioning, and material-to-pallet traceability. Put the sample or test material, method, instrument, production state, duration, limit, witnesses, retained record and deviation authority in the protocol before testing begins. Requalify when a product, package, site, speed or connected system invalidates the accepted basis.