Regulation 2 Amendment of the Road Vehicles Lighting Regulations (Northern Ireland) 2000

In Part I of Schedule 4 (requirements relating to obligatory dipped-beam headlamps and to optional dipped-beam headlamps to the extent specified in Part II) to the Road Vehicles Lighting Regulations (Northern Ireland) 2000^f1, for paragraph 4 there shall be substituted –

“4.

Alignment –

When a vehicle is at its kerbside weight and has a weight of 75 kg on the driver’s seat, and any manual headlamp levelling device control is set to the stop position, the alignment of every dipped-beam headlamp shall, as near as practicable, be as follows –

(a)

In the case of a vehicle having a maximum speed exceeding 25 mph –

(i)

if the dipped-beam headlamp bears an approval mark its aim shall be set so that the horizontal part of the cut-off of the beam pattern is inclined downwards as indicated by the vehicle manufacturer in a marking on the vehicle, as mentioned in sub-paragraph 12(b) or, where no such marking is provided –

(A)

1.3 per cent if the height of the centre of the headlamp is not more than 850 mm above the ground, or

(B)

2 per cent if the height of the centre of the headlamp is more than 850 mm above the ground;

(ii)

if the dipped-beam headlamp does not bear an approval mark and the headlamp can also be used as a main-beam headlamp its aim shall be set so that the centre of the main-beam pattern is horizontal or inclined slightly below the horizontal;

(iii)

if the dipped-beam headlamp does not bear an approval mark and the headlamp cannot also be used as a main-beam headlamp its aim shall be set so as not to cause undue dazzle or discomfort to other persons using the road;

(b)

In the case of a vehicle having a maximum speed not exceeding 25 mph –

(i)

if the dipped-beam headlamp bears an approval mark or not and the headlamp can also be used as a main-beam headlamp its aim shall be set so that the centre of the main-beam pattern is horizontal or inclined slightly below the horizontal;

(ii)

if the dipped-beam headlamp bears an approval mark or not and the headlamp cannot also be used as a main-beam headlamp its aim shall be set so as not to cause undue dazzle or discomfort to other persons using the road.”.