Discussion paper outlining concerns over particulates originating from tire erosion and suggesting a need for global regulatory provisions to limit such environmental risks.

Text prepared by the International Organization of Motor Vehicle Manufacturers (OICA) in order to introduce the concept of “revision of approvals” into regulations under GRRF responsibility.

Proposal to incorporate additional tire sizes within the regulation for commercial vehicle tires sold in countries requiring type approval according to UN Regulation No. 54.

Text prepared by the European Tyre and Rim Technical Organisation (ETRTO) to correct editorial errors in the adopted proposal for Supplement 18 to Regulation No. 54 (document WP.29/2012/49).

Text prepared by the International Organization of Motor Vehicle Manufacturers (OICA) to introduce the concept of “revision of approvals” into the UN Regulations under GRRF responsibility in order to align the UN Regulations with the EU Whole Vehicle Type Approval Directive 2007/46/EC in order to ease the administrative burden for both manufacturers and approval administrations regarding the extension of existing approvals.

Proposal to correct the symbol for regroovable tyres as adopted by the Working Party on Brakes and Running Gear (GRRF) and to align the rows of the second column of the table of Annex 7, Appendix 2 to the Regulation.

Suggested changes to the proposal to introduce the concept of “revision of approvals” into the UN Regulations under GRRF responsibility in order to align the UN Regulations with the EU Whole Vehicle Type Approval Directive 2007/46/EC.