6.4.4 Linking Blocks to Summary Records
All Blocks contain Records that report Usages, Revenues or Sales. It is essential for a Message Recipient to be able determine to which Summary Record such Usage/Revenue/Sales Records contribute. To allow this, all Summary Records contain a
SummaryRecordId Cell that Usage/Revenue/Sales Records can point to. Figure 4 shows an excerpt from a Sales Report Message in which two different types of exploitation (see Clause 6.5 for details) are being reported with respect to two different Releases (reported in Records of Type
Figure 4 – Linking Blocks to Summary Records (Example)
 In some profiles it may be valid to send Blocks without any such Records.