Start Level 1 Node: Contract AccountContract AccountEnd Level 1 Node: Contract Account
   Start Level 2 Node: Contract Account CategoryContract Account CategoryEnd Level 2 Node: Contract Account Category
   Start Level 2 Node: Contract AccountContract AccountEnd Level 2 Node: Contract Account
   Start Level 2 Node: Controlling Specifications in Contract AccountControlling Specifications in Contract AccountEnd Level 2 Node: Controlling Specifications in Contract Account
   Start Level 2 Node: Link Between Contract Accounts and Business PartnersLink Between Contract Accounts and Business PartnersEnd Level 2 Node: Link Between Contract Accounts and Business Partners
   Start Level 2 Node: Logging ChangesLogging ChangesEnd Level 2 Node: Logging Changes
   Start Level 2 Node: Automatic Master Data TransferAutomatic Master Data TransferEnd Level 2 Node: Automatic Master Data Transfer
   Start Level 2 Node: Creating, Changing, and Displaying Contract AccountsCreating, Changing, and Displaying Contract AccountsEnd Level 2 Node: Creating, Changing, and Displaying Contract Accounts
      Start Level 3 Node: Creating Contract AccountsCreating Contract AccountsEnd Level 3 Node: Creating Contract Accounts
      Start Level 3 Node: Account Creation VariantsAccount Creation VariantsEnd Level 3 Node: Account Creation Variants
      Start Level 3 Node: Assigning Additional Business PartnersAssigning Additional Business PartnersEnd Level 3 Node: Assigning Additional Business Partners
      Start Level 3 Node: Displaying or Editing Other Business PartnersDisplaying or Editing Other Business PartnersEnd Level 3 Node: Displaying or Editing Other Business Partners
      Start Level 3 Node: Selecting Addresses for Business PartnersSelecting Addresses for Business PartnersEnd Level 3 Node: Selecting Addresses for Business Partners
      Start Level 3 Node: Creating, Changing and Displaying LocksCreating, Changing and Displaying LocksEnd Level 3 Node: Creating, Changing and Displaying Locks
   Start Level 2 Node: Correspondence for Master Data ChangesCorrespondence for Master Data ChangesEnd Level 2 Node: Correspondence for Master Data Changes