The 11 digit code number (for example: 9503 9032 00 0) identifies not only definite products but also the corresponding measures such as customs duty rates or approval regulations. In the commercial sector it has to be indicated in the customs registration. Further information on this code number and on coding and decoding can be found in the „information on Customs Tariffs of the Community”.¹
¹ Source: www.zoll-d.de / homepage of the German Customs Administration