The transparent windscreen of a light motor vehicle, must;
• afford the driver sufficient visibility for safe driving,
• be of safety glass, and
• have visible light transmittance through the windscreen of at least 70%
A light and heavy motor vehicle with a windscreen must be fitted with at least one windscreen wiper and must, when in operation, wipe the outside of the windscreen directly in front of the driver, continuously, evenly and adequately.