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.

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.

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