On headlamps meeting the requirements of this Regulation in respect of the driving beam only, the letters &quot; R &quot; for Class A headlamp or &quot; HR &quot; for Class B headlamp;
On headlamps meeting the requirements of this Regulation in respect of the driving beam only, the letters &quot; R &quot; for Class A headlamp or &quot; HR &quot; for Class B headlamp;