Proposal for Supplement 3 to the 07 series of amendments to Regulation No. 9
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Proposal to clarify the text and align the provisions of UN R9 with other vehicle sound regulations, especially UN R41, pursuant to research conducted by the European Commission.

Reference Number: WP.29/2017/2
Date: 21 December 2016
Proposal Status: Adopted
Related Documents:
GRB-66-10 | Proposal for amendments to UN Regulation No. 9 to introduce ASEP requirements for L4 and L5 category vehicles with PMR > 50 W/kg
GRB-68-22 | UN R9: Proposal for the 08 series of amendments
GRB/2016/6 | Proposal for Supplement 3 to Regulation No. 9
GRB/2018/7 | UN R9: Proposal for a Supplement