The second section is titled "Additional Requirements" and contains system requirements that have been adopted by all three automakers - General Motors, Chrysler and Ford.
The third section is titled the "Customer Specific Section" which contains system requirements that are unique to each automotive or truck manufacturer.
On December 14, 2006, all QS9000 certifications were terminated. With QS9000, the middle certification between ISO 9001 and ISO/TS 16949, no longer valid, businesses had a choice between either ISO9001 or TS16949. QS9000 is considered superseded by ISO/TS 16949.
This is not a true definition. consult ASQ.