Start Level 1 Node: Manufacturer Part Number in Purchase Order CollaborationManufacturer Part Number in Purchase Order CollaborationEnd Level 1 Node: Manufacturer Part Number in Purchase Order Collaboration
   Start Level 2 Node: Master Data and Settings for MPNMaster Data and Settings for MPNEnd Level 2 Node: Master Data and Settings for MPN
      Start Level 3 Node: Approved Manufacturer Parts ListApproved Manufacturer Parts ListEnd Level 3 Node: Approved Manufacturer Parts List
      Start Level 3 Node: Integration of Approved Manufacturer Parts List with CIFIntegration of Approved Manufacturer Parts List with CIFEnd Level 3 Node: Integration of Approved Manufacturer Parts List with CIF
   Start Level 2 Node: Use of MPNs with an SAP ERP Back-End SystemUse of MPNs with an SAP ERP Back-End SystemEnd Level 2 Node: Use of MPNs with an SAP ERP Back-End System
   Start Level 2 Node: Processing Purchase Order Confirmations with MPNsProcessing Purchase Order Confirmations with MPNsEnd Level 2 Node: Processing Purchase Order Confirmations with MPNs
   Start Level 2 Node: Processing ASNs with MPNsProcessing ASNs with MPNsEnd Level 2 Node: Processing ASNs with MPNs
   Start Level 2 Node: Determination of Valid MPNsDetermination of Valid MPNsEnd Level 2 Node: Determination of Valid MPNs