If they are indeed talking about JDF files (vs PPF files) then FFCore is able to accept those. The information can be used for job ticketing and other uses within the workflow.
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I have received a question from a customer whether FF Core can process a CIP 3 or 4 file. My research tells me that this is a JDF enabled file - can I assume it is a PDF file? If so can we extract what we need from the JDF ticket?