5.1. Any change to the supplied product regarding manufacturer and manufacturer part number, form, material, fit & function, manufacturing process, manufacturing facility must be approved by Scanfil in written prior to any shipment. New Initial samples or PPAP may be requested.5.2. Supplier must, in writing, notify Scanfil of Last Time Buy no later than twelve months before discontinuity of the sale or production of the product that Scanfil purchases regularly or is providing the forecasts.