different identity data

Identity data are considered different if the values in data fields between different EU information systems are neither same, nor similar. E.g. last name: 'Smith' corresponding with last name: 'Johnsson'.

In contrast: 

An example of same identity data would be: last name: 'Smith' corresponding with last name: 'Smith'.

An example of similar identity data would be: last name: 'Smith' corresponding with last name: 'Smieth'.