The Quality Management component (QM) is part of the integrated SAP ERP System.  With the functions of the Quality Management (QM) module, you can implement the most important elements of a QM system, as specified in ISO 9000. Top level Overview of the SAP QM Module Process  includes: Quality Management in Procurement and Storage  process shows how the SAP ERP Quality Management is used to guide the purchasing and Inventory Management activities. This consists fundamentally of releasing supply relationships, source and receiving inspections, managing stocks during quality checks, and quantity documents. Acceptance Inspections process describes inspection lot processing. We highlight inspection planning, the determining of inspection samples, printing shop papers for the inspectors, and entering inspection results, which consist of characteristic values and error data. We also describe the settlement of inspection costs. Quality Notifications as Complaints Against the Vendor process, you see how errors found during a quality inspection are analyzed and documented in a quality notification. The measures required to correct the problem include a complaint against the vendor and the processing of returns. Quality Control includes vendor evaluation, quality analysis in the QM information system, and statistical process control using control charts.