Start Level 1 Node: Technical ContentTechnical ContentEnd Level 1 Node: Technical Content
   Start Level 2 Node: InfoSetsInfoSetsEnd Level 2 Node: InfoSets
      Start Level 3 Node: Read Point of Delivery (IS-U)for Contract and Business PartnerRead Point of Delivery (IS-U)for Contract and Business PartnerEnd Level 3 Node: Read Point of Delivery (IS-U)for Contract and Business Partner
      Start Level 3 Node: Read Point of Delivery (IS-U) for PremiseRead Point of Delivery (IS-U) for PremiseEnd Level 3 Node: Read Point of Delivery (IS-U) for Premise