An identifier claiming conformance to this part of ISO 22745 shall conform to the requirements of Clause 6.
An OTD claiming conformance to this part of ISO 22745 shall have an identifier that satisfies item a for each of the metadata objects listed in Clause 5.
Master data claiming conformance to this part of ISO 22745 shall use an identifier that satisfies item a for each reference to a metadata object in an OTD.