R101
CO2 emission/fuel consumption
R102
Close coupling devices
R103
Replacement catalytic converters
R104
Retro-reflective markings (heavy and long vehicles)
R105
Carriage of dangerous goods — construction of vehicles
R106
Tyres (agricultural vehicles)
R107
Category M2 or M3 vehicles
R108
Retreaded tyres (motor vehicles and their trailers)
R109
Retreaded tyres (commercial vehicles and their trailers)