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).

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).

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.

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.

Proposal from the Worn Tyres working group to introduce a procedure and thresholds on wet grip performance for C1 tyres in worn state.

Proposal to clarify the use of an additional load/speed combination for a tyre type.

Proposal to clarify interpretation of the requirements concerning variation of sound emitted proportionally with the vehicle speed.

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.

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.

Proposal to introduce provisions for ice grip tyres, clarify Conformity of Production, sample submissions, and testing methods, and to make editorial corrections and improvements.

Proposal to allow, under certain condition of traceability, upgrading of the service description of a used casing.

Proposal from the TPMSTI task force to align UN Regulation No. 141 with the transitional provisions of European Union (EU) Regulation 2019/2144.

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).

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.

Proposal from the Noise Measurement Uncertainties informal group to to reduce variability of measurements.

Proposal to align the 08 series of amendments to UN Regulation No. 9 with standard 10844:2014 of the International Organization of Standardization (ISO).

Proposal to align the 02 series of amendments to UN Regulation No. 63 with standard 10844:2014 of the International Organization of Standardization (ISO).