This section corresponds to Transaction QRPH-42 of the IHE QRPH Technical Framework. Transaction QRPH-42 is used by the Research Information Consumer and the Research Information Source actors. The transaction uses the Publish/Subscribe Infrastructure as described in IHE ITI TF-3: 4.4. The Research Information Source represents a combined Publisher/Notification Broker and the Research Information Consumer represents a Combined Subscriber/Notification recipient, as described in IHE ITI TF-3: 4.4.1.4.