– combinations of vehicles where the tractor vehicle is in category C1 and its trailer or semi-trailer has a maximum authorised mass of over 750 kg, provided that the maximum authorised mass of the combination thus formed does not exceed 12 000 kg , and that the maximum authorised mass of the trailer or semi-trailer does not exceed the unladen mass of the tractor vehicle ;
- transportlīdzekļu savienojums, kas sastāv no C1 kategorijas vilcēja un piekabes vai puspiekabes, kuras pilna masa pārsniedz 750 kg, ar nosacījumu, ka šī savienojuma pilna masa nepārsniedz 12 000 kg un piekabes vai puspiekabes pilna masa nepārsniedz vilcēja pašmasu ;