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This ICS is an update of the JDF 1.4 Metadata ICS. : http://www.cip4.org/document_archive/download_request.php?did=2095
This version describes ICS-CommonMetadata.ProdWF.1.5.v2 describes the use of JDF Intent within PDF or PDF/VT DPart metadata.
Legacy copies are retained with a .v1, v2 etc.