7.1 Introduction
The messages defined in this part of the ERN standard are depicted in Figure 2 and Figure 3 above.
Further information is provided in the XML Schema Definition file for this part of the ERN standard, which can be found here .
Specific business processes between a record company or distributor and the DSP may require additional conformance rules. These are, however, not part of this part of the ERN standard and are determined by the bilateral agreement between the record company or distributor and the DSP.