Despite the above well-structured PPAP process elements, there still exist difficulties assuring product compliance with the customer requirement. In their “quality 2020” report, Automotive Industry Action Group (AIAG) survey respondents agree that assuring product compliance is the top reason why product development is important. OEMs also feel this issue is important to innovation and to sustained quality performance, while suppliers place greater emphasis on impact to profitability and operations.“We strongly believe very close collaboration is needed between suppliers and their customers to drive world class levels of quality,” says FCA’s Sig Huber. “Whether done through early selection of suppliers and/or strict adherence to program milestones, it is important to provide as much development time for the program as possible.”