Any characteristic found nonconforming that is documented on the purchaser's drawing, Master Envelope Drawing (MED), Design Procurement Drawing (DPD) and referenced specifications is required to go through the purchaser's MRB system. Any other product nonconformances will be subject to the Supplier's internal nonconforming material control system. The supplier’s nonconforming material control system shall be the same as outlined in this appendix except as follows: