Document ID: chunk:federal_register_of_legislation:F2023C00919:body:0:p56
Version: federal_register_of_legislation:F2023C00919
Segment Type: other
Provision Reference: 
Character Range: 168639–171283

M2, M3, N2, N3, O2, O3, and O4.
6.7.2.2.                        Only, when the median longitudinal plane of the vehicle is not located on a fixed body panel but separates one or two movable parts of the vehicle (e.g. doors), and lacks sufficient space to install a single device of the S3 or S4 category on the median longitudinal plane above such movable parts, either:
Two devices of the S3 or S4 category type "D" may be installed; or
One device of the S3 or S4 category may be installed offset to the left or to the right of the median longitudinal plane, or
An interdependent lamp system of category S3 or S4 may be installed.
6.7.3.                              Arrangement
No special requirement.
6.7.4.                              Position
6.7.4.1.                        In width:
For M1 and N1 category vehicles:
For S1 or S2 categories devices that point on the apparent surface in the direction of the reference axis which is farthest from the vehicle's median longitudinal plane shall not be more than 400 mm from the extreme outer edge of the vehicle;
For the distance in between the inner edges of the apparent surfaces in the direction of the reference axes there is no special requirement.
For all other categories of vehicles:
For S1 or S2 categories devices the distance in between the inner edges of the apparent surfaces in the direction of the reference axes shall be not less than 600 mm. This distance may be reduced to 400 mm if the overall width of the vehicle is less than 1,300 mm.
For S3 or S4 category devices: the centre of reference shall be situated on the median longitudinal plane of the vehicle. However, in the case where the two devices of the S3 or S4 category are installed, according to paragraph 6.7.2., they shall be positioned as close as possible to the median longitudinal plane, one on each side of this plane.
In the case where one S3 or S4 category lamp offset from the median longitudinal plane is permitted according to paragraph 6.7.2., this offset shall not exceed 150 mm from the median longitudinal plane to the centre of reference of the lamp.
6.7.4.2.                        In height:
6.7.4.2.1.              For S1 or S2 categories devices:
Above the ground, not less than 350 mm nor more than 1,500 mm (2,100 mm if the shape of the bodywork makes it impossible to keep within 1,500 mm and if the optional lamps are not installed).
If the optional lamps are installed, they shall be positioned at a height compatible with the requirements of the width and the symmetry of the lamps, and at a vertical distance as large as the shape of the bodywork makes it possible, but not less than