Document ID: chunk:federal_register_of_legislation:F2023C00228:reg:1:p24
Version: federal_register_of_legislation:F2023C00228
Segment Type: reg
Provision Reference: reg 1 (pt 24/35)
Character Range: 508479–511192

and one or more driving beams or in case of a headlamp with a passing beam and a front fog lamp:

                (i) the headlamp shall be subjected to the following cycle until the time specified is reached:
                 15 minutes, passing-beam filament lit;
                5 minutes, all filaments lit.

                (ii) if the applicant declares that the headlamp is to be used with only the passing beam lit or only the driving beam(s) lit [17]/ at a time, the test shall be carried out in accordance with this condition, activating 2/ successively the passing beam half of the time and the driving beam(s) (simultaneously) for half the time specified in paragraph 1.1. above.

            (c) in the case of a headlamp with a front fog lamp and one or more driving beams:

                (i) the headlamp shall be subjected to the following cycle until the time specified is reached:
                 15 minutes, front fog lamp lit;
                 5 minutes, all filaments lit.

                (ii) if the applicant declares that the headlamp is to be used with only the front fog lamp lit or only the driving beam(s) lit 3/ at a time, the test shall be carried out in accordance with this condition, activating 2/ successively the front fog lamp half of the time and the driving beam(s) (simultaneously) for half the time specified in paragraph 1.1. above.

            (d) In the case of headlamp with a passing beam, one or more driving beams and a front fog lamp:

                (i) the headlamp shall be subjected to the following cycle until the time specified is reached:
                15 minutes, passing-beam filament lit;
                5 minutes, all filaments lit.

                (ii) if the applicant declares that the headlamp is to be used with only the passing beam lit or only the driving beam(s) 3/ lit at a time, the test shall be carried out in accordance with this condition, activating 2/ successively the passing beam half of the time and the driving beam(s) for half the time specified in paragraph 1.1. above, while the front fog lamp is subjected to a cycle of 15 minutes off and 5 minutes lit for half of the time and during the operation of the driving beam;

                (iii) if the applicant declares that the headlamp is to be used with only the passing beam lit or only the front fog lamp 3/ lit at a time, the test shall be carried out in accordance with this condition, activating 2/ successively the passing beam half of the time and the front fog lamp for half of the time specified in paragraph 1.1. above, while the driving beam(s) is(are) subjected to a cycle of 15 minutes off and 5 minutes lit for half of the time and during the operation