[Category] D [Description] Motor vehicles used for the carriage of passengers and having more than eight seats in addition to the driver's seat; or motor vehicles of category D coupled to a trailer the permissible maximum mass of which does not exceed 750 kg [Category_2] D1 [Description_3] 
Motor vehicles used for the carriage of passengers and having more than 8 seats in addition to the driver's seat but not more than 16 seats in addition to the driver's seat; or motor vehicles of subcategory D1 coupled to a trailer, the permissible maximum mass of which does not exceed 750 kg