Table prepared by OICA highlighting various elements in the consideration of noise in UN Regulation Nos. 9, 28, 41, 51, 59, 63, 92, and 117.

Comments from the IMMA in response to the Russian proposal to re-define the use of terms “sound” and “noise” in the motorcycle noise regulation.

This proposal aligns Annex 3, paragraph 2.3.2. with the latest amendment to ISO 5130:2012. The purpose of the amendment is to require the use of test surfaces with “no appreciable level of porosity”.

Proposal from the Russian Federation to provide harmonized definitions for the terms “noise” and “sound” and also for a revised structure for introducing the provisions.

Overview of European Commission program to rework the regulatory environmental and safety framework for L-category vehicles.

Russia submitted this proposal to address concerns over uniformity in the concepts of
“vehicle type concerning noise”, terms “noise” and “sound” and a structure for presenting the provisions.

This revised proposal of UN R9 from the IMMA contains the assimilation of the original regulations and their amendments and updates to take into consideration the revision of the test methods in UN R41.

This revised proposal of UN R63 from the IMMA contains the assimilation of the original regulations and their amendments and updates to take into consideration the revision of the test methods in UN R41.