Start Level 1 Node: Number RangeNumber RangeEnd Level 1 Node: Number Range
   Start Level 2 Node: Number Range Distribution to DevicesNumber Range Distribution to DevicesEnd Level 2 Node: Number Range Distribution to Devices
   Start Level 2 Node: Standalone Number Range AdministrationStandalone Number Range AdministrationEnd Level 2 Node: Standalone Number Range Administration
      Start Level 3 Node: Creation and Maintenance of Number RangesCreation and Maintenance of Number RangesEnd Level 3 Node: Creation and Maintenance of Number Ranges
      Start Level 3 Node: Blocking and Allocation of Number RangesBlocking and Allocation of Number RangesEnd Level 3 Node: Blocking and Allocation of Number Ranges
      Start Level 3 Node: GTIN Number Range RequestGTIN Number Range RequestEnd Level 3 Node: GTIN Number Range Request
   Start Level 2 Node: Central Number Range AdministrationCentral Number Range AdministrationEnd Level 2 Node: Central Number Range Administration
      Start Level 3 Node: Upload of Existing Number RangesUpload of Existing Number RangesEnd Level 3 Node: Upload of Existing Number Ranges
      Start Level 3 Node: Initial Number Range RequestInitial Number Range RequestEnd Level 3 Node: Initial Number Range Request
      Start Level 3 Node: Number Range RequestNumber Range RequestEnd Level 3 Node: Number Range Request
      Start Level 3 Node: Example: Central Number Range AdministrationExample: Central Number Range AdministrationEnd Level 3 Node: Example: Central Number Range Administration
   Start Level 2 Node: Number Range Administration User InterfaceNumber Range Administration User InterfaceEnd Level 2 Node: Number Range Administration User Interface