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Draft list of main decisions during the 73rd (January 2021) GRBP session
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Reference Number: GRBP/28/Rev.1
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Meeting Sessions: 73rd GRBP session (26-29
Jan 2021)
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Document date: 29 Jan 21
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Relevant to: UN Regulation No. 30 | Pneumatic Tires, UN Regulation No. 41 | Motorcycle Noise, UN Regulation No. 51 | Vehicle Noise Emissions, UN Regulation No. 75 | Motorcycle and Moped Tires, UN Regulation No. 109 | Retreaded Tires for Commercial Vehicles, UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance, UN Regulation No. 124 | Passenger Car and Trailer Wheels, UN Regulation No. 141 | Tyre Pressure Monitoring Systems, UN Regulation No. 165 | Audible Reversing Warning Systems, and UN Regulation No. 164 | Type Approval of Studded Tyres
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Click here to view the full document file
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UN R141: Revised proposal for the 01 series of amendments
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Reference Number: WP.29/2021/10/Rev.1
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Text prepared by the experts of TF TPMSTI in order to align with the provisions of European Union Regulation 2019/2144 and to introduce the TPMS requirements for all vehicle categories, including trailers. The proposal addresses the communication interface protocol of TPMS between towing and towed vehicles of categories N2, N3 and O3, O4, respectively (described in Annex 5 on the basis of the ISO bus requirements) in alignment with UN R13 and ISO updates. The proposal further corrects and clarifies provisions across TPMS, TPRS and CTIS.
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Meeting Sessions: 183rd WP.29 session (9-11
Mar 2021)
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Document date: 01 Feb 21
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Document status: Depositary Notification
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Relevant to: UN Regulation No. 141 | Tyre Pressure Monitoring Systems
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Adoption Vote
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This proposal (WP.29/2021/10/Rev.1) was adopted by the World Forum. Thirty-nine Contracting Parties out of the 56 applying UN R141 were present for the vote by AC.1. Thirty-seven voted in favor with zero against and two abstaining.
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Click here to view the full document file
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Documents 2026
3508 documents
21 Jan 2021
Status report of the Worn Tyres working group
GRBP-73-18
21 Jan 2021
UN R117: Proposal to introduce an Ice Tyre definition for C1 class tyres
GRBP-73-19
21 Jan 2021
Status report of the TPM and Tyre Installation task force
GRBP-73-13
21 Jan 2021
UN R75: Proposal for a corrigendum to the French version of the text
GRBP-73-09
27 Jan 2021
UN R141: Alternative procedure for trailer type approval
TPMSTI-13-02
29 Jan 2021
UN R30: New radial tyre structure definition proposal
GRBP-73-20/Rev.1
29 Jan 2021
UN R109: Proposal for Supplement 11
GRBP-73-21
29 Jan 2021
Tyre industry preliminary assessment of wet grip on worn C2 and C3 tyres
GRBP-73-22
29 Jan 2021
Priorities of the Working Party on Noise and Tyres (GRBP)
GRBP-73-24
29 Jan 2021
Working group on Worn Tyres: Proposal for revised terms of reference
GRBP-73-27/Rev.1
1 Feb 2021
Draft list of main decisions during the 73rd (January 2021) GRBP session
GRBP/28/Rev.1
1 Feb 2021
UN R141: Revised proposal for the 01 series of amendments
WP.29/2021/10/Rev.1
17 Feb 2021
Draft agenda for the 13th TMPSTI task force session (UN R141)
TPMSTI-13-01/Rev.2
17 Feb 2021
Draft agenda for the 18th Worn Tyres working group session
WT-18-01
19 Feb 2021
Draft agenda for the 9th TFMU task force session
TFMU-09-01
19 Feb 2021
Noise measurement uncertainties: Draft heavy commercial vehicle calculation sheet
TFMU-08-04
19 Feb 2021
Agenda for the 35th IWVTA informal group session
IWVTA-35-02
19 Feb 2021
UN R0: Annex 4 update under the 04 series of amendments
IWVTA-35-04
21 Feb 2021
Temperature effects on tyre/road noise– presentations from the STEER project
TFMU-09-02
22 Feb 2021
Worn tyres: Draft buffing procedure evaluation sheet
WT-18-04
22 Feb 2021
Worn tyres: C2 and C3 considerations
WT-18-02
23 Feb 2021
Draft report of the 8th TFMU informal group session
TFMU-08-05
24 Feb 2021
UN R141: TMPS, TPRS, and CTIS comparison
TPMSTI-13-03
1 Mar 2021
Draft report of the 13th TPMSTI task force session
TPMSTI-13-04
1 Mar 2021
IWVTA ambassador feedback from GRPE
IWVTA-35-03
Tyres