Proposal for amendments to Regulations Nos. 28, 51, 59 and 117
Text prepared by the International Organization of Motor Vehicle Manufacturers (OICA) in order to introduce the concept of “revision of approvals” in the regulations under GRB responsibility.
UN R28 Audible Warning Devices | UN R51 Vehicle Noise | UN R59 Replacement Silencing Systems | UN R117 Tire Noise, Wet Adhesion, and Rolling Resistance