On headlamps meeting the requirements of this Regulation in respect of the passing beam only, the letters &quot; C &quot; for Class A headlamp or &quot; HC &quot; for Class B headlamp;
On headlamps meeting the requirements of this Regulation in respect of the passing beam only, the letters &quot; C &quot; for Class A headlamp or &quot; HC &quot; for Class B headlamp;