According to the International Organization for Standardization (ISO), all volume produced motor vehicles must have a unique identification code.
ISO 3779:2009 Road Vehicle Identification Number, VIN, and ISO 3780:2009 Road Vehicles:
World Manufacturer Identifier, WMI, define
the standards that have to be followed.
All VIN numbers must be alphanumeric where the following letters I, O and Q are excluded.