For headlamps equipped with light sources according to Regulation No. 99 or equipped with LED modules only, for testing the UV-resistance of light transmitting components made of plastic material against UV radiation of the light sources inside the headlamp:
For headlamps equipped with light sources according to Regulation No. 99 or equipped with LED modules only, for testing the UV-resistance of light transmitting components made of plastic material against UV radiation of the light sources inside the headlamp: