A unique identity number is used to identify each child record on ContactPoint. This number is generated by ContactPoint and is only used for the purposes of identifying a record on ContactPoint.
Unique pupil numbers and unique learner numbers are not held as part of every ContactPoint record. It is possible however, for either of these numbers to be sent to ContactPoint with new information supplied by a data source as their chosen reference number. This can be any number used by the data source to identify a record on their system and is used to help match new information to an existing record on ContactPoint. For example all information supplied to ContactPoint by the National Pupil Database has the unique pupil number included as the source system’s reference number.