The HSN (Herstellerschlüsselnummer) is a four-digit numerical code that can be found in your vehicle registration document under point 2.1. 

The HSN is the number that identifies which company manufactured your vehicle. This code is used to assign your vehicle to an insurance class.

→ You can find the HSN and TSN in your vehicle registration document. Here, it’s marked (Fahrzeugschein / Zulassungsbescheinigung Teil I).

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