Document ID: chunk:federal_register_of_legislation:F2016C00338:front:0:p8
Version: federal_register_of_legislation:F2016C00338
Segment Type: other
Provision Reference: 
Character Range: 24100–27147

such a way as to entail a change in the kind, number, position and geometric visibility of the lamps prescribed for the vehicle type in question; and

       2.2.3.2.  vehicles on which lamps approved under one of the Regulations annexed to the 1958 Agreement, or lamps allowed in the country in which the vehicles are registered, are fitted, or are absent where their fitting is optional;

       2.3.  "transverse plane" means a vertical plane perpendicular to the median longitudinal plane of the vehicle;

       2.4.  "unladen vehicle" means a vehicle without a driver, or passenger, and unladen, but with its fuel tank full and its normal complement of tools;

       2.5.  "lamp" means a device designed to illuminate the road or to emit a light signal to other road users. Rear registration plate lamp and retro-reflectors are likewise to be regarded as lamps;

       2.5.1.  "equivalent lamps" means lamps having the same function and authorised in the country in which the vehicle is registered; such lamps may have different characteristics from those of the lamps with which the vehicle is equipped at the time of approval, on condition that they satisfy the requirements of this Regulation;

       2.5.2.  "independent lamps" means devices having separate illuminating surfaces, separate light sources and separate lamp bodies;

       2.5.3.  "grouped lamps" means devices having separate illuminating surfaces and separate light sources, but a common lamp body;

       2.5.4.  "combined" means devices having separate illuminating surfaces, but a common light source and a common lamp body;

       2.5.5.  "reciprocally incorporated" means devices having separate light sources or a single light source operating under different conditions (for example, optical, mechanical, electrical differences), totally or partially common illuminating surfaces and a common lamp body;

       2.5.6.  "driving beam (main-beam) headlamp" means the lamp used to illuminate the road over a long distance ahead of the vehicle;

       2.5.7.  "passing beam (dipped-beam) headlamp" means the lamp used to illuminate the road ahead of the vehicle without dazzling of causing undue discomfort to oncoming drivers and other road users;

       2.5.8.  "direction-indicator lamp" means the lamp used to indicate to other road-users that the driver intends to change direction to the right or to the left;

        A direction-indicator lamp or lamps may also be used according to provisions of Regulation No. 97.

       2.5.9.  "stop lamp" means the lamp used to indicate to other road-users to the rear of the vehicle that its driver is applying the service brake;

       2.5.10.  "rear-registration-plate illuminating device" means the device used to illuminate the space reserved for the rear registration plate; such a device may consist of several optical components;

       2.5.11. "front position lamp" means the lamp used to indicate the presence of the vehicle when viewed from the front;

       2.5.12.  "rear position lamp" means the