4.5.1.6.2. In case of the driving beam, irrespective of the type of light source (LED module(s) or gas-discharge or LED light source(s)) used to produce the principal passing-beam, one or more gas-discharged light sources approved according to UN Regulation No. 99, one or more LED light sources approved according to UN Regulation No. 128 or one or more LED module(s). a0c0