In 2007 they introduced a unique tax number for every natural person. In fact, assigning these numbers was complicated by the fact that there is no central reg

In 2007 they introduced a unique tax number for every natural person. In fact, assigning these numbers was complicated by the fact that there is no central registration data base. They started from all the local data bases and then filtered this data to remove duplicates. Source: https://de.wikipedia.org/wiki/Steuerliche_Identifikationsnummer https://de.wikipedia.org/wiki/Steuerliche_Identifikationsnum... (sorry, German only)