R049
Emissions (diesel, NG & LPG)
R050
Front/rear position-, stop-lamps, direction indicators, rear registration-plate lamps (L)
R051
Sound levels (M and N)
R052
General construction of small buses and coaches
R053
Installation of lighting and light-signalling devices (L3)
R054
Tyres (commercial vehicles and their trailers)
R055
Mechanical coupling devices
R056
Headlamps (mopeds)
R057
Headlamps (motorcycles)