Document ID: chunk:federal_register_of_legislation:F2015C00542:reg:22:p9
Version: federal_register_of_legislation:F2015C00542
Segment Type: reg
Provision Reference: reg 22 (pt 9/10)
Character Range: 286119–289311

one of the additional symbols provided for in paragraph 5.5.

              4. Specific provisions applicable to vehicles of categories M and N1

              4.1. Windscreens

              4.1.1.  The regular light transmittance shall not be less than 70 per cent.

              4.1.2. The windscreen shall be type approved for the vehicle type for which it is intended to be fitted.

              4.1.3. The windscreen shall be correctly fitted with reference to the vehicle driver's "R" point.

              4.1.4. Vehicles having a maximum design speed greater than 40 km/h may not be fitted with a toughened windscreen.

              4.2. Safety glazing other than windscreens and partition glazing

              4.2.1. Safety glazing requisite for the driver's forwards field of vision

              4.2.1.1. The safety glazing through which the driver's forwards field of vision as defined in paragraph 2.23.1. of this Regulation is obtained, shall have a regular light transmittance of at least 70 per cent.

              4.2.1.2. Plastic safety glazing shall bear an additional symbol /B/L, as defined in paragraphs 5.5.5. and 5.5.7. of this Regulation.

              4.2.2. Safety glazing requisite for the driver's rearward vision

              4.2.2.1. The safety glazing defined in paragraph 2.23.2. of this Regulation shall have a light transmittance of at least 70 per cent, but where two exterior rear view mirrors are fitted, the glazing is allowed to have a light transmittance below 70 per cent, provided that it shall bear the additional symbol V specified in paragraph 5.5.2. of this Regulation.

              4.2.2.2. Plastic safety glazing shall bear an additional symbol A/L or B/L, as defined in paragraphs 5.5.5. and 5.5.7. of this Regulation.

               As an alternative, the rear glazing in the folding roof of a convertible vehicle may bear the additional symbol /B/M.

               The rear glazing in the folding roof of a convertible vehicle may be made of a flexible plastic pane.

              4.2.3. Other safety glazing

              4.2.3.1. The safety glazing not covered by the definitions of paragraphs 2.23.1. and 2.23.2. of this Regulation shall bear the additional symbol V specified in paragraph 5.5.2. of this Regulation, if the light transmittance is below 70 per cent.

              4.2.3.2. Plastic safety glazings shall bear one of the additional symbols defined in paragraphs 5.5.5., 5.5.6., and 5.5.7. of this Regulation. However, when the vehicle is intended for conveying passengers, glazings with the additional symbols /C/L or /C/M are not allowed at locations where there is a risk of head impact.

              4.2.4. Exemptions

               In the case of plastic safety glazings, the provisions related to abrasion resistance as referred in paragraphs 4.2.2.2. and 4.2.3.2. of this annex do not apply for the vehicles and glazing locations listed below:

                  (a) Ambulances

                  (b) Hearses

                  (c)  Trailers, including caravans

                  (d) Sunroofs and glazings located in the roof of a vehicle

                  (e) All glazings of the upper deck of