Document ID: chunk:federal_register_of_legislation:F2023C00228:front:0:p67
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sample A shall be subjected to the test after which the mean of the absolute values recorded in both samples shall not exceed 1.5 mrad.

       However, if this value of 1.5 mrad on sample A is not complied with, the two headlamps of sample B shall be subjected to the same procedure and the value of delta r for each of them shall not exceed 1.5 mrad.

       Figure 1

Appendix C

UN REGULATION No. 8/04

UNIFORM PROVISIONS CONCERNING THE APPROVAL OF MOTOR VEHICLE HEADLAMPS EMITTING AN ASYMMETRICAL PASSING BEAM OR A DRIVING BEAM OR BOTH AND EQUIPPED WITH HALOGEN FILAMENT LAMPS (H1, H2, H3, HB3, HB4, H7, H8 and/or H1R1)

NOTE: In view of recent changes to the Regulation, text containing Supplement 10 has not been incorporated in the main Regulation document. Supplement 10 has been placed between pages 186  to 226. Changes in the texts of Supplements 8 and 9 will be incorporated into the Regulation when the consolidated document is available from the UN-ECE.

Regulation No. 8

UNIFORM PROVISIONS CONCERNING THE APPROVAL OF MOTORVEHICLE HEADLAMPS EMITTING AN ASYMMETRICAL PASSING BEAM OR A DRVING BEAM OR BOTH AND EQUIPPED WITH HALOGEN FILAMENT LAMPS

       (H1, H2, H3 HB3, HB4, H7, H8, H9, HIR1 and/or HIR2)

       CONTENTS

       REGULATION A.

        ADMINISTRATIVE PROVISIONS
       - Scope
       1. Definitions
       2. Applications for approval of a headlamp
       3. Markings
       4. Approval

       B. TECHNICAL REQUIREMENTS FOR HEADLAMPS
       5. General specifications
       6. Illumination
       7. Requirements concerning coloured lenses and filters
       8. Gauging of discomfort
       9. Standard headlamp
       10. Observation concerning colour

       C. FURTHER ADMINISTRATIVE PROVISIONS
       11. Modifications and extension of approval of a type of headlamp
       12. Conformity of production
       13. Penalties for non-conformity of production
       14. Production definitely discontinued
       15. Names and addresses of technical services responsible for conducting approval tests and of administrative departments

       ANNEXES

       Annex 1:  Communication concerning the approval (or extension or refusal or withdrawal of approval or production definitely discontinued) of a type of headlamp pursuant to Regulation No. 8
       Annex 2:  Verification of conformity of production of headlamps equipped with H1, H2, H3 HB3, HB4, H7, H8, H9, HIR1 and/or HIR2 filament lamps
       Annex 3:  Examples of arrangements of approval marks
       Annex 4:  Measuring screen
       Annex 5:  Tests for stability of photometric performance of headlamps in operation
       Annex 6:  Requirements for lamps incorporating lenses of plastic material-testing of lens or material samples and of complete lamps
       Annex 7:  Minimum requirements for sampling by an inspector
       A. ADMINISTRATIVE PROVISIONS

        SCOPE [1/]

        This Regulation applies to motor vehicle headlamps which may incorporate lenses of glass or plastic material.

       1. DEFINITIONS

        For the purpose of this Regulation,

       1.1. "Lens" means the outermost component of the headlamp (unit) which transmits light through illuminating surface;

       1.2. "Coating"