Start Level 1 Node: Operational Contract ManagementOperational Contract ManagementEnd Level 1 Node: Operational Contract Management
   Start Level 2 Node: Define Usage of Central ContractsDefine Usage of Central ContractsEnd Level 2 Node: Define Usage of Central Contracts
   Start Level 2 Node: Developing ContractsDeveloping ContractsEnd Level 2 Node: Developing Contracts
   Start Level 2 Node: Processing Contracts and Sourcing Rules in ERPProcessing Contracts and Sourcing Rules in ERPEnd Level 2 Node: Processing Contracts and Sourcing Rules in ERP
   Start Level 2 Node: Negotiating ContractsNegotiating ContractsEnd Level 2 Node: Negotiating Contracts
   Start Level 2 Node: Processing Delivery SchedulesProcessing Delivery SchedulesEnd Level 2 Node: Processing Delivery Schedules
   Start Level 2 Node: Searching for Sources of Supply CentrallySearching for Sources of Supply CentrallyEnd Level 2 Node: Searching for Sources of Supply Centrally
   Start Level 2 Node: Monitoring ContractsMonitoring ContractsEnd Level 2 Node: Monitoring Contracts