The aim when auditing the engine number match is for records, the physical vehicle, and the responsibility checkpoints to line up. Change review means re-examining the engine number rubbing, its position on the vehicle, and the declaration form rather than reading one line in the change request. If a replaced powertrain keeps the old number, the responsibility split should follow contract milestones and handover evidence before any conclusion is drawn. Registration and declaration requirements for an engine number change in the destination country follow local competent-authority rules, licensed-body review, and the applicable contract terms. Before responsibility is settled, this international vehicle delivery guide can help check the related checkpoints. List the open items on the engine number match separately.