Headlamps equipped with passing beam designed to satisfy the requirements both of right-hand and of left-hand traffic shall bear markings indicating the two settings of the optical unit or LED module on the vehicle or of the filament lamp on the reflector; these markings shall consist of the letters &quot; R/D &quot; for the position for right-hand traffic and the letters &quot; L/G &quot; for the position for left-hand traffic.
Headlamps equipped with passing beam designed to satisfy the requirements both of right-hand and of left-hand traffic shall bear markings indicating the two settings of the optical unit or LED module on the vehicle or of the filament lamp on the reflector; these markings shall consist of the letters &quot; R/D &quot; for the position for right-hand traffic and the letters &quot; L/G &quot; for the position for left-hand traffic.