In accordance with Chapter III, Rule 7 of the Rules of Procedure (TRANS/WP.29/690, Amend.1 and Amend. 2) of the World Forum for Harmonization of Vehicle Regulations (WP.29), the first item on the provisional agenda is its adoption.

GRBP-74-10 | Draft running order and tentative timetable for the 74th session of GRBP

GRBP-74-14 | General information and WP29 highlights

GRBP-74-19 | (Secretariat) Webex meeting participation guidelines

GRBP-74-10/Rev 1 | Updated running order

GRBP/2021/8 | 74th (September 2021) GRBP session: Annotated provisional agenda

GRBP-74-01/Rev.1 | GRB-74: Updated provisional agenda

GRBP will consider amendment proposals that were prepared by the expert from the International Motorcycle Manufacturers Association (IMMA) in order to align the 08 series of amendments to UN Regulation No. 9 with standard ISO10844:2014.

GRBP/2021/23 | UN R9: Proposal for amendments to the 08 series of amendments Proposal to align the 08 series of amendments to UN Regulation No. 9 with standard 10844:2014 of the International Organization of Standardization (ISO).

GRBP-74-43 | UN R9: Proposal for amendment to 08 series of amendments Proposal to amend ECE/TRANS/WP.29/GRBP/2021/23

GRBP will be informed about the activities of the Informal Working Group on Additional Sound Emission Provisions (IWG ASEP) and of the Informal Working Group on Measurement Uncertainties (IWG MU).

GRBP will address proposals prepared by IWG MU that introduce measures to reduce variability.

Under this agenda item, GRBP may expect a report on the activities of the newly established taskforce on sound level limits (TF SL).

GRBP/2021/22 | UN R51: Proposal for Supplement 7 to 03 series of amendments Proposal from the Noise Measurement Uncertainties informal group to to reduce variability of measurements.

GRBP-74-03/Rev.1 | UN R51: Guidelines of the TF VS (Vehicle sound) Sets the Objective and Rules of Procedure for the Task Force

GRBP-74-11 | IWG MU (Measurement Uncertainties): Reference document

GRBP-74-12 | IWG MU (Measurement Uncertainties): Terms of Reference This revised document intended to present to amend 117 the timetable for the work related to Regulation No. 117 has been shifted with approximately 12 months for this part. The aim of the IWG is to propose harmonized measures for evaluating systematic errors and random errors to improve the test procedures to reduce measurement uncertainties

GRBP-74-13 | UN R51: Proposal to introduce a Temperature Correction for the Tyre Rolling Sound Component of Pass-by Tests IWG on Measurement Uncertainties identified the temperature behaviour of tyre rolling sound component as a contributor to the measurement uncertainty of pass-by noise tests. Since in UN Reg. No.117 a temperature correction of tyre rolling sound is already established the group investigated an adoption of the existing calculation procedure. Due to the different testing conditions in UN Reg. No.117, new scientific investigations and industry data in pass-by testing the group worked out a temperature correction, which is adopted to the requirements of UN Reg. No.51.

GRBP-74-20 | (Measurement Uncertainty): IWG status report

GRBP-74-21 | (ASEP): IWG status report

GRBP-74-22 | UN R51: Proposal for 04 series of amendments Introduces Real Driving Additional Sound Emission Provisions (RD-ASEP) for vehicles of categories M1 and N1 covering driving conditions outside of normal driving with higher accelerations and vehicle speeds up to 100 km/h

GRBP-74-27 | UN R51: Study on future sound limits values for type-approval for vehicles of category M & N TFVS analyses of the feasibility of further limit value reductions and their effectiveness in real traffic conditions.

GRBP-74-08 | UN R51: Proposal for the Foreword to the ACEA tyre performance study (GRBP-74-09)

GRBP-74-09 | UN R51: ACEA tyre performance study report

GRBP-74-39 | Vehicle Sound: TF Status Report

GRBP-74-09 | UN R51: ACEA tyre performance study report

GRBP will consider amendment proposals submitted by the expert from IMMA that align the 02 series of amendments to UN Regulation No. 63 with standard ISO10844:2014.

GRBP/2021/24 | UN R63: Proposal for amendments to the 02 series of amendments Proposal to align the 02 series of amendments to UN Regulation No. 63 with standard 10844:2014 of the International Organization of Standardization (ISO).

GRBP will consider amendment proposals that were prepared by the expert from Italy.

GRBP/2021/11 | UN R92: Proposal for amendment Proposal to align UN R92 with the latest amendments to UN R41 and to reduce the number of exhaust system types (allowing for slight differences in drawings) to be approved by NORESS manufacturers.

GRBP-74-40 | UN R92: Presentation on proposed amendments Presentation on proposed amendments to align with the latest amendments made on UN Reg 41 and to reduce the number and amount of different exhaust types to be approved by NORESS manufacturers

GRBP/2021/11 | UN R92: Proposal for amendment Proposal to align UN R92 with the latest amendments to UN R41 and to reduce the number of exhaust system types (allowing for slight differences in drawings) to be approved by NORESS manufacturers.

GRBP is invited to address a proposal that was prepared by the expert from France with the aim to clarify the interpretation of the requirements concerning the variation of the sound emitted proportionally with the vehicle speed.

GRBP may also expect a progress report of the Informal Working Group on Quiet Road Transport Vehicles for the Global Technical Regulation (IWG QRTV GTR).

GRBP/2021/14 | UN R138: Proposal for Supplement 3 to the 01 series of amendments Proposal to clarify interpretation of the requirements concerning variation of sound emitted proportionally with the vehicle speed.

GRBP-74-05 | UN R138: Proposal for amendments to Supplement 2 of the 01 series of amendments The purpose is to ensure that the target test speed is either 10 km/h, or 20 km/h, in forward motion, or 6 km/h in reverse motion and that the tolerances given by the regulation are linked to the testing and not used for more favorable testing speed.

GRBP-74-28 | UN R138: Comments on proposal for Supplement 3 to the 01 series of amendments

GRBP-74-02 | UN R138: Proposal for Supplement 3 to the 01 series of amendments Proposal by expert from Switzerland to limit the maximum sound level of an “AVAS” and reduce superfluous noise pollution.

GRBP will address an updated proposal for the new definition of “radial tyre” that was prepared by the experts from France and the European Commission. The same definition was also proposed for UN Regulations Nos. 54, 75, 106, 108 and 109.

GRBP/2021/9 | UN R30: Proposal for a Supplement to the 02 series of amendments Proposal to expand and improve the current definition of a radial structure while ensuring the radial tyres key features (mechanical decoupling between the tread and the bead).

GRBP/2021/10 | Proposal for amendments to UN Regulations No. 54, 75, 106, 108, 109 Proposal to amend the definition of "radial tyre" in UN Regulations No. 54, 75, 106, 108 and 109 based on the proposal for UN Regulation No. 30 in document GRBP/2021/9.

GRBP-74-07 | UN R30: Comments on the proposal for a supplement to the 02 series of amendments (ECE/TRANS/WP.29/GRBP/2021/9) Request for additional data and information in the event of a future, similar, proposal under the 1998 Agreement, which would require ensuring compatibility with other enforcement systems.

GRBP is invited to address a proposal submitted by the expert from France that aims to clarify the use of additional load/speed combination for a tyre type.

GRBP/2021/13 | UN R54: Proposal for Supplement 25 to the 00 series of amendments Proposal to clarify the use of an additional load/speed combination for a tyre type.

GRBP is invited to consider a proposal which was submitted by the experts of the Bureau International Permanent des Associations de Vendeurs et Rechapeurs de pneumatiques (BIPAVER), France and the Netherlands, in order to align the provisions for retreaded tyres with the previously adopted proposals for UN Regulations Nos. 30 and 117 and to cover all tread materials.

GRBP/2021/15 | UN R108: Proposal for amendments Proposal to align the provisions for retreaded tyres with the proposals of France for UN Regulation No. 30, of the European Tyre and Rim Technical Organization (ETRTO) for UN Regulation No. 117 and to cover all the tread materials.

GRBP-74-29/Rev 1 | UN R108/109: Comments on proposal for amendments Comments on the proposals prepared by BIPAVER, France and Netherland to align the test procedures for retreaded tyres with the latest amendments to R30, R54 and R117.

GRBP-74-35/Rev.1 | UN R108: Proposal for amendments Corrections and alignment to document ECE/TRANS/WP.29/GRBP/2021/15

GRBP-74-35/Rev.1 | UN R108: Proposal for amendments Corrections and alignment to document ECE/TRANS/WP.29/GRBP/2021/15

GRBP-74-35/Rev.1 | UN R108: Proposal for amendments Corrections and alignment to document ECE/TRANS/WP.29/GRBP/2021/15

GRBP will address a proposal by the experts of BIPAVER, France and the Netherlands, that aims to align the provisions for retreaded tyres with the previously adopted proposals for UN Regulations Nos. 54 and 117 and to cover all tread materials.

GRBP is invited to consider a proposal that was prepared by the expert from France with the aim to allow, under certain conditions of traceability, upgrading of the service description of a used casing.

GRBP/2021/16 | UN R109: Proposal for amendments Proposal to align the provisions for retreaded tyres with the proposals of the European Tyre and Rim Technical Organization (ETRTO) for UN Regulations Nos. 54 and 117 and to cover all the tread materials.

GRBP/2021/18 | UN R109: Proposal for Supplement 11 to the 00 series of amendments Proposal to allow, under certain condition of traceability, upgrading of the service description of a used casing.

GRBP-74-06 | UN R109: proposal for amendments to the 00 series of amendments

GRBP-74-34 | UN R109: Summary of the proposal for amendments to the 00 series of amendments Summary of GRBP-74-06

GRBP-74-30/Rev.2 | UN R109: Comments on the proposal for amendments

GRBP-74-29/Rev 1 | UN R108/109: Comments on proposal for amendments Comments on the proposals prepared by BIPAVER, France and Netherland to align the test procedures for retreaded tyres with the latest amendments to R30, R54 and R117.

GRBP may wish to consider a proposal which was tabled the experts from the European Tyre and Rim Technical Organisation (ETRTO).

GRBP will be briefed on the activities of the IWG on Wet Grip Performance of Tyres in a Worn State (IWG WGWT) and will consider amendment proposals that were prepared by IWG WGWT with the aim to introduce a procedure and thresholds on wet grip performance for C1 tyres in worn state.

GRBP/2021/12 | UN R117: Proposal for amendments Proposal from the Worn Tyres working group to introduce a procedure and thresholds on wet grip performance for C1 tyres in worn state.

GRBP/2021/17 | UN R117: Proposal for a Supplement to the 02 series of amendments Proposal to introduce provisions for ice grip tyres, clarify Conformity of Production, sample submissions, and testing methods, and to make editorial corrections and improvements.

GRBP-74-04 | UN R117: Proposal for amendments to the 02 series of amendments Proposal to add requirement on the monitoring of the machine deviation for rolling resistance measurement.

GRBP-74-31/Rev.1 | UN R117: Proposal for amendments to the 02 series of amendments

GRBP-74-33/Rev.1 | UN R117: Proposal for amendments IWG WGWT proposes to amend document ECE/TRANS/WP.29/GRBP/2021/12

GRBP-74-42 | IWG WGWT: Proposal for revised Terms of Reference IWG to propose amendments to UN R117

GRBP-74-41 | IWG WGWT: Status report

GRBP-74-12 | IWG MU (Measurement Uncertainties): Terms of Reference This revised document intended to present to amend 117 the timetable for the work related to Regulation No. 117 has been shifted with approximately 12 months for this part. The aim of the IWG is to propose harmonized measures for evaluating systematic errors and random errors to improve the test procedures to reduce measurement uncertainties

GRBP-74-33/Rev.1 | UN R117: Proposal for amendments IWG WGWT proposes to amend document ECE/TRANS/WP.29/GRBP/2021/12

GRBP/2021/17 | UN R117: Proposal for a Supplement to the 02 series of amendments Proposal to introduce provisions for ice grip tyres, clarify Conformity of Production, sample submissions, and testing methods, and to make editorial corrections and improvements.

GRBP/2021/12 | UN R117: Proposal for amendments Proposal from the Worn Tyres working group to introduce a procedure and thresholds on wet grip performance for C1 tyres in worn state.

GRBP will address a proposal that was prepared by the Task Force on Tyre Pressure Monitoring System and on Tyre Installation (TF TPMSTI) in order to align UN Regulation No. 141 with the transitional provisions of European Union Regulation 2019/2144.

GRBP is also invited to consider another proposal by TF TPMSTI that introduces an alternative procedure for type approval of trailers (vehicles of categories O3 and O4), regarding their Tyre Pressure Monitoring System (TPMS), Tyre Pressure Refilling System (TPRS) and Central Tyre Inflation System (CTIS).

GRBP/2021/19 | UN R141: Proposal for Supplement 1 to 01 series of amendments Proposal from the TPMSTI task force to align UN Regulation No. 141 with the transitional provisions of European Union (EU) Regulation 2019/2144.

GRBP/2021/20 | UN R141: Proposal for Supplement 2 to 01 series of amendments Proposal from the TPMSTI task force to introduce in UN Regulation No. 141 an alternative procedure for type approval of trailers (vehicles of categories O3 and O4) regarding their Tyre Pressure Monitoring System (TPMS), Tyre Pressure Refilling System (TPRS) and Central Tyre Inflation System (CTIS).

GRBP-74-25 | Tyre Pressure Monitoring System & Tyre Installation (TPMSTI): TF status report

GRBP-74-26 | UN R141: Proposal for Supplement 3 to the 01 series of amendments TF TPMSTI implements the requirements for a Tyre Pressure Refill System (TPRS) and a Central Tyre Inflation System (CTIS)

GRBP-74-37 | UN R141: Proposal for amendments to document GRBP/2021/20 Proposal from the TPMSTI task force to update draft provisions for performance testing of Tyre Pressure Monitoring System/Tyre Pressure Refill System/Central Tyre Inflation System and for an alternative procedure for type approval of subject trailer(s).

GRBP-74-25 | Tyre Pressure Monitoring System & Tyre Installation (TPMSTI): TF status report

GRBP-74-26 | UN R141: Proposal for Supplement 3 to the 01 series of amendments TF TPMSTI implements the requirements for a Tyre Pressure Refill System (TPRS) and a Central Tyre Inflation System (CTIS)

GRBP-74-37 | UN R141: Proposal for amendments to document GRBP/2021/20 Proposal from the TPMSTI task force to update draft provisions for performance testing of Tyre Pressure Monitoring System/Tyre Pressure Refill System/Central Tyre Inflation System and for an alternative procedure for type approval of subject trailer(s).

GRBP/2021/20 | UN R141: Proposal for Supplement 2 to 01 series of amendments Proposal from the TPMSTI task force to introduce in UN Regulation No. 141 an alternative procedure for type approval of trailers (vehicles of categories O3 and O4) regarding their Tyre Pressure Monitoring System (TPMS), Tyre Pressure Refilling System (TPRS) and Central Tyre Inflation System (CTIS).

GRBP will consider a proposal by TF TPMSTI that aims to align the transitional provisions in UN Regulation No. 142 with the transitional provisions in Regulation (EU) 2019/2144.

GRBP/2021/21 | UN R142: Proposal for Supplement 1 to the 01 series of amendments Proposal from the TPMSTI task force order to align the transitional provisions in UN Regulation No. 142 with the transitional provisions in European Union (EU) Regulation 2019/2144.

GRBP-74-25 | Tyre Pressure Monitoring System & Tyre Installation (TPMSTI): TF status report

GRBP will consider a revised proposal for a new UN Regulation which has been submitted by the Task Force on Studded Tyres (TF ST).

GRBP/2021/5/Rev.1 | Studded tyres: Proposal for a draft new UN Regulation Proposal from the Studded Tyres task force aim to create a new UN Regulation on uniform provisions concerning the approval of studded tyres with regard to their snow performance (distinguished from studdable tyres regulated by UN Regulation No. 117).

GRBP-74-15 | (Studded Tyres): TF status report

GRBP-74-16 | (Studded Tyres): Proposal to introduce marking for Ice Grip tyres of class C1 IWG proposal to introduce to establish a cross-reference to the Ice Grip test method and to introduce the same pictogram that will be included in the UN Regulation 117

GRBP-74-17 | (TF Studded Tyres): Updated draft Objectives and Rules of Procedure

GRBP-74-32 | UN R (Studded Tyres): Proposals for amendments This proposal aligns with the “Alpine symbol” location that is not restricted to the lower area of the tyre as prescribed in UN Regulation No. 117, especially considering the larger dimensions of the “Snow Grip Marking for Studded Tyres"

GRBP/2021/5/Rev.1 | Studded tyres: Proposal for a draft new UN Regulation Proposal from the Studded Tyres task force aim to create a new UN Regulation on uniform provisions concerning the approval of studded tyres with regard to their snow performance (distinguished from studdable tyres regulated by UN Regulation No. 117).

GRBP will be informed about the progress of the Task Force on Reverse Warning (TF RWS) and will consider any proposals submitted by TF RWS.

GRBP-74-23 | (Reverse Warning Sound): TF status report

GRBP-74-24 | (Reverse Warning Sound) : Proposal for the approval of audible devices and of motor vehicles with regard to their audible signals

GRBP-74-24 | (Reverse Warning Sound) : Proposal for the approval of audible devices and of motor vehicles with regard to their audible signals

GRBP will continue the exchange of views on developing national or regional legislation and international requirements on noise levels.

GRBP will consider new proposals, if any.

GRBP will be informed about progress in implementing the International Whole Vehicle Type Approval (IWVTA) (UN Regulation No. 0).

GRBP will be briefed by the secretariat about the highlights of the recent sessions of WP.29 on GRBP and common issues.

GRBP-74-14 | General information and WP29 highlights

GRBP may wish to review the list of priorities for the future work.

GRBP-73-24 | Priorities of the Working Party on Noise and Tyres (GRBP)

GRBP-74-38 | Work plan priorities

GRBP will consider any other subjects, as appropriate.

GRBP-74-36 | Sound Emissions Level Limits: impact assessment on Euro 5 step on L-category

GRBP/44/Rev.1 | Draft list of main decisions of GRBP-74

GRBP-74-18 | (DETA): Proposal to improve the use of the Unique Identifier (UI)

GRBP is invited to provide guidance on the provisional agenda for the next session scheduled to be held in Geneva from 25 to 28 January 2022.

In compliance with Rule 37 of the Rules of Procedure (TRANS/WP.29/690 and Amend.1), GRBP will elect the Chair and Vice-Chair for the sessions scheduled for the year 2022.