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A PPAP*1 (Production Part Approval Process) report is intended as an industry guideline that details the specific reports and documentation necessary to gain part approval in the automotive industry. The PPAP is governed by the PPAP manual published by the AIAG*2 (Automotive Industry Action Group.)
The PPAP manual contains the PPAP checklist which details all the requirements for a complete PPAP. Each requirement is called an element.
The PPAP checklist also lists the different PPAP levels from 1 to 5. It is the PPAP levels which determine the specific requirements for each element.