[1] Nothing in this Regulation shall prevent a Contracting Party to the Agreement applying this Regulation from prohibiting the combination of a headlamp approved "PL" (Plastic Lens) under this Regulation with a mechanical headlamp-cleaning device (i.e. with wipers) on vehicles which it registers. a0c1
[1] When the tested headlamp is grouped and/or reciprocally incorporated with signalling lamps, the latter shall be lit for the duration of the test, except for a daytime running lamp. In the case of a direction indicator lamp, it shall be lit in flashing operation mode with an on/off time ratio of approximately one to one. a0c0