Document ID: chunk:federal_register_of_legislation:F2023C00228:reg:1:p12
Version: federal_register_of_legislation:F2023C00228
Segment Type: reg
Provision Reference: reg 1 (pt 12/35)
Character Range: 476663–479563

mark shall not be less than the minimum size required for the smallest of the individual marks by the Regulation under which approval has been granted.
        4.3.2.4. An approval number shall be assigned to each type approved.  The same Contracting Party may not assign the same number to another type of grouped, combined or reciprocally incorporated lamps covered by this Regulation.

        4.3.2.5. Annex 2, figure 11, to this Regulation gives examples of arrangements of approval marks for grouped, combined or reciprocally incorporated lamps with all the above-mentioned additional symbols.

        4.3.3. Lamps, the lens of which are used for different types of headlamps and which may be reciprocally incorporated or grouped with other lamps

        The provisions laid down in paragraph 4.3.2. above are applicable.

        4.3.3.1. In addition, where the same lens is used, the latter may bear the different approval marks relating to the different types of headlamps or units of lamps, provided that the main body of the headlamp, even if it cannot be separated from the lens, also comprises the space described in paragraph 3.2. above and bears the approval marks of the actual functions.

         If different types of headlamps comprise the same main body, the latter may bear the different approval marks.

        4.3.3.2. Annex 2, figure 12, to this Regulation gives examples of arrangements of approval marks relating to the above case.

        B. TECHNICAL REQUIREMENTS FOR HEADLAMPS [6]/

        5. GENERAL SPECIFICATIONS

        5.1. Each sample shall conform to the specifications set forth in paragraphs 6 to 8 below.

        5.2. Headlamps shall be so made as to retain their prescribed photometric characteristics and to remain in good working order when in normal use, in spite of the vibrations to which they may be subjected.

        5.2.1. Headlamps shall be fitted with a device enabling them to be so adjusted on the vehicles as to comply with the rules applicable to them.  Such a device need not be fitted on units in which the reflector and the diffusing lens cannot be separated, provided the use of such units is confined to vehicles on which the headlamp setting can be adjusted by other means.

         Where a headlamp providing a passing beam and a headlamp providing a driving beam, each equipped with its own filament lamp, are assembled to form a composite unit the adjusting device shall enable each optical system individually to be duly adjusted.
        5.2.2. However, these provisions shall not apply to headlamp assemblies whose reflectors are indivisible. For this type of assembly the requirements of paragraph 6.3. of this Regulation apply.

        5.3. The headlamp shall be equipped with filament lamp(s) approved according to Regulation No. 37.  Any Regulation No. 37 filament lamp may be used, provided that no restriction on the