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UN R9 change reports — Noise of three-wheeled vehicles

UN Regulation No. 9 (ECE R9) — Uniform provisions concerning the approval of category L2, L4 and L5 vehicles with regard to sound emission.

08 series

  • 08 series — Supplement 3

    The surface of the test track in Annex 3 must now conform to ISO 10844:2021 instead of ISO 10844:2014.

  • 08 series — Supplement 2

    In Annex 3, the surface of the test track must conform to ISO 10844:2014, and the requirements of Annex 5 are no longer an alternative.

  • 08 series — Supplement 1

    In Annex 6, paragraph 3.1., the Type Approval Authority as well as the Technical Service now “shall request” tests on compliance with paragraph 2.

  • 08 series — Base text

    The vehicle type to be approved must meet the requirements of new Annex 6 on additional sound emission provisions (ASEP). Annex 6 applies to vehicles of category L4 and L5 with PMR >50.