This can be communicated in, for example, the InstrumentTypeelement of the ResourceContributorcompositethe
InstrumentType element of the
ResourceContributor composite. DDEX has, over the last few years collated a large list of instruments that can be used within this tag.
However, the XML Schema Definitions for MLC 1.3 and 1.3.1 has a bug in that the InstrumentTypeelement the
InstrumentType element is not limited to this allowed value set.