Concepts are in place, including security for emergencies to ensure supplies.These concepts must always be kept uptodate in the serial production delivery phase. In this, consideration must be given to inhouse processes and also the suppliers' processes.Procedures must be in place which guarantee that the organisation informs the customer immediately when supply bottlenecks are detected. The information must include the expected duration and extent of the bottlenecks and the actions which have been taken.The actions must be taken at the right time and in accordance with the customer's requirements"