| Proposal for Supplement 1 to the 07 series of amendments to Regulation No. 9 |
| Reference Number: WP.29/2015/59 |
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Proposal to update the reference to the latest version of the ISO 10844 and to introduce transitional provisions for the shift of the test track requirements from ISO 10844: 1994 to ISO 10844: 2014. |
| Meeting Sessions: 166th WP.29 session (23-26 Jun 2015) |
| Document date: 10 Apr 15 |
| Document status: Adopted text published |
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| View full document file for more information |
| Proposal for the 07 series of amendments to Regulation No. 9 |
| Reference Number: WP.29/2013/2 |
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Text adopted by the Working Party on Noise (GRB) at its fifty-sixth session as a consolidated version of the Regulation and aligning the test methods with those introduced into Regulation No. 41. |
| Meeting Sessions: 159th WP.29 session (12-15 Mar 2013) |
| Document date: 19 Dec 12 |
| Document status: Adopted text published |
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| View full document file for more information |
| Proposal for Supplement 2 to the 07 series of amendments to Regulation No. 9 | |
| Reference Number: WP.29/2016/45 | |
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Proposal to clarify that conditioning of a silencing system is necessary only in cases where exhaust gases come into contact with silencer fibrous materials. |
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| Meeting Sessions: 169th WP.29 session (21-24 Jun 2016) | |
| Document date: 04 Apr 16 | |
| Document status: Adopted text published | |
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| Adoption Vote | |
| This proposal (WP.29/2016/45) was adopted by the World Forum. Fifteen Contracting Parties out of the 26 applying UN R9 were present for the vote by AC.1. Fifteen voted in favor with zero against and zero abstaining. | |
| View full document file for more information | |
| Proposal for Supplement 3 to the 07 series of amendments to Regulation No. 9 | |
| Reference Number: WP.29/2017/2 | |
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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. |
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| Meeting Sessions: 171st WP.29 session (14-17 Mar 2017) | |
| Document date: 21 Dec 16 | |
| Document status: Adopted text published | |
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| Adoption Vote | |
| This proposal (WP.29/2017/2) was adopted by the World Forum. Fifteen Contracting Parties out of the 27 applying UN R9 were present for the vote by AC.1. Fifteen voted in favor with zero against and zero abstaining. | |
| View full document file for more information | |
| UN R9: Proposal for the 08 series of amendments | |
| Reference Number: WP.29/2019/6 | |
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Proposal to introduce ASEP requirements for L4 and L5 category vehicles with PMR > 50 W/kg. The proposal aligns ASEP for high powered L4 and L5 vehicles, used for passenger transport, with UN Regulation No 41.04 due to comparable sound emissions levels of L4 and L5 vehicles with the ones of L3 vehicles and the possibility of applying similar measurement methods for sound emissions for those vehicle categories. This proposal is supported by the Commission study on enhanced sound requirements for mopeds, quads and replacement silencers of L-category vehicles which resulted in amendments to UN Regulation Nos 9, 63 and 92 (ref. document WP.29/2017/2). |
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| Meeting Sessions: 177th WP.29 session (11-15 Mar 2019) | |
| Document date: 20 Dec 18 | |
| Document status: Adopted by WP.29 | |
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| Adoption Vote | |
| This proposal (WP.29/2019/6) was adopted by the World Forum. Seventeen Contracting Parties out of the 29 applying UN R9 were present for the vote by AC.1. Seventeen voted in favor with zero against and zero abstaining. | |
| View full document file for more information | |
| UN R9: Proposal for Supplement 1 to the 08 series of amendment | |
| Reference Number: WP.29/2020/2 | |
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Proposal to introduce mandatory additional sound emission provisions (ASEP) tests and to correct inconsistencies in the ASEP exemption conditions for vehicles with variable gear ratios or automatic transmission with non-lockable gear ratios. |
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| Meeting Sessions: 180th WP.29 session (9-12 Mar 2020) | |
| Document date: 19 Dec 19 | |
| Document status: Adopted text published | |
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| Adoption Vote | |
| This proposal (WP.29/2020/2) was adopted by the World Forum. Twenty Contracting Parties out of the 29 applying UN R9 were present for the vote by AC.1. Twenty voted in favor with zero against and zero abstaining. | |
| View full document file for more information | |
| UN R9: Proposal for Supplement 2 to the 08 series of amendments | |
| Reference Number: WP.29/2022/3 | |
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Proposal to align the 08 series of amendments to UN Regulation No. 9 with standard 10844:2014 of the International Organization of Standardization (ISO). |
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| Meeting Sessions: 186th WP.29 session (7-11 Mar 2022) | |
| Document date: 14 Dec 21 | |
| Document status: Adopted by WP.29 | |
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| Adoption Vote | |
| This proposal (WP.29/2022/3) was adopted by the World Forum. Thirty-two Contracting Parties out of the 45 applying UN R9 were present for the vote by AC.1. Thirty-one voted in favor with zero against and one abstaining. | |
| View full document file for more information | |
| UN R9: Proposal for Supplement 3 to the 08 series of amendments | |
| Reference Number: WP.29/2025/67 | |
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Proposal to allow the use of the test track as specified in ISO 10844:2021. |
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| Meeting Sessions: 196th WP.29 session (23-27 Jun) | |
| Document date: 09 Apr 25 | |
| Document status: Adopted by WP.29 | |
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| Adoption Vote | |
| This proposal (WP.29/2025/67) was adopted by the World Forum. Thirty-one Contracting Parties out of the 48 applying UN R9 were present for the vote by AC.1. Thirty-one voted in favor with zero against and zero abstaining. | |
| View full document file for more information | |