The invention is directed to techniques for receiving an event message, identifying event information required to process event data based on the event message, based on the event information, determining if existing event information is accessible to process the event data and if the existing event information is not accessible, providing an event rejection indicating missing event information and receiving the missing event information identified in the event rejection but if the existing event information is not accessible, providing an event rejection indicating missing event information and receiving the missing event information identified in the event rejection.