Start Level 1 Node: Date Management (CRM-BF-DAT)Date Management (CRM-BF-DAT)End Level 1 Node: Date Management (CRM-BF-DAT)
   Start Level 2 Node: DateDateEnd Level 2 Node: Date
   Start Level 2 Node: DurationDurationEnd Level 2 Node: Duration
   Start Level 2 Node: Date RulesDate RulesEnd Level 2 Node: Date Rules
   Start Level 2 Node: Reference ObjectsReference ObjectsEnd Level 2 Node: Reference Objects
   Start Level 2 Node: Dates in Business TransactionsDates in Business TransactionsEnd Level 2 Node: Dates in Business Transactions