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2025

Working Party on Noise & Tyres: Agenda for the 83rd (February 2026) session

Reference Number: GRBP/2026/1

Meeting Sessions: 83rd GRBP session (10-13 Feb 2026)

Document date: 24 Nov 25

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UN R64: Proposal for a Supplement 2 to the 03 series of amendments

Reference Number: GRBP/2026/2

Proposal to enable the application of the Regulation to vehicles equipped with automated driving systems (ADS).

Meeting Sessions: 83rd GRBP session (10-13 Feb 2026)

Document date: 26 Nov 25

Document status: Formal GR review

Relevant to

UN Regulation No. 64 | Temporary-use Tires and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles

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UN R142: Proposal for a Supplement 3 to the 01 series of amendments

Reference Number: GRBP/2026/3

Proposal to enable application of the Regulation to vehicles equipped with Automated Driving Systems (ADS).

Meeting Sessions: 83rd GRBP session (10-13 Feb 2026)

Document date: 26 Nov 25

Document status: Formal GR review

Relevant to

UN Regulation No. 142 | Tyre Installation and WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles

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UN R51: Proposal for a Supplement 11 to the 03 series of amendments

Reference Number: GRBP/2026/4

Proposal to introduce a “default mode”, to specify requirements to be applied to the emission of Enhanced Exterior Sound (EES), with the corresponding transitional provisions, and to draw a limit curve to introduce electric vehicles and hybrid electric vehicles that can be propelled without an internal combustion engine operating in the scope of ASEP (Annex 7).

Meeting Sessions: 83rd GRBP session (10-13 Feb 2026)

Document date: 27 Nov 25

Document status: Formal GR review

Relevant to

UN Regulation No. 51 | Vehicle Noise Emissions

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UN R51: Proposal for a Supplement to the 03 series of amendments

Reference Number: GRBP/2026/5

Proposal to update references to the latest version of standard ISO 362-3 (Indoor testing).

Submitted by: ISO

Meeting Sessions: 83rd GRBP session (10-13 Feb 2026)

Document date: 27 Nov 25

Document status: Formal GR review

Relevant to

UN Regulation No. 51 | Vehicle Noise Emissions

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UN R117: Proposal for a Supplement 4 to the 04 series of amendments

Reference Number: GRBP/2026/6

Proposal to update references the latest international standard specifications ASTM
F2872-25, F2871-25 and F3678-25.

Submitted by: ETRTO

Meeting Sessions: 83rd GRBP session (10-13 Feb 2026)

Document date: 28 Nov 25

Document status: Formal GR review

Relevant to

UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance

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UN R75: Proposal for amendments

Reference Number: GRBP/2026/7

The proposal to avoid certifying bicycle tyres as moped tyres.

Submitted by: ETRTO

Meeting Sessions: 83rd GRBP session (10-13 Feb 2026)

Document date: 28 Nov 25

Document status: Formal GR review

Relevant to

UN Regulation No. 75 | Motorcycle and Moped Tires

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UN R51: Proposal for a Supplement 11 to the 03 series of amendments

Reference Number: GRBP/2026/14

Proposal to address electric vehicle enhanced sound issues in the short term until the new 04 series of amendments enters into force.

Submitted by: OICA

Meeting Sessions: 83rd GRBP session (10-13 Feb 2026) and 17th R51/R138 session (8 and 10 Dec)

Document date: 27 Nov 25

Document status: Formal GR review

Relevant to

UN Regulation No. 51 | Vehicle Noise Emissions

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26 Nov	Working Party on Noise & Tyres: Agenda for the 83rd (February 2026) session	GRBP/2026/1	2025-11-26
26 Nov	UN R64: Proposal for a Supplement 2 to the 03 series of amendments	GRBP/2026/2	2025-11-26
26 Nov	UN R142: Proposal for a Supplement 3 to the 01 series of amendments	GRBP/2026/3	2025-11-26
27 Nov	UN R51: Proposal for a Supplement 11 to the 03 series of amendments	GRBP/2026/4	2025-11-27
27 Nov	UN R51: Proposal for a Supplement to the 03 series of amendments (ISO)	GRBP/2026/5	2025-11-27
28 Nov	UN R117: Proposal for a Supplement 4 to the 04 series of amendments (ETRTO)	GRBP/2026/6	2025-11-28
28 Nov	UN R75: Proposal for amendments (ETRTO)	GRBP/2026/7	2025-11-28
27 Nov	UN R51: Proposal for a Supplement 11 to the 03 series of amendments (OICA)	GRBP/2026/14	2025-11-27