Supporting presentation to the ETRTO proposal for minimum wet-grip performance thresholds (document GRRF-73-18) to ensure that improvements in tire rolling resistance (per EU CO2 goals) do not result in inadequate wet-grip performance.

Proposal prepared by the informal group on a Tyre GTR for the final report of Phase I on the development of a global technical regulation concerning uniform provisions for pneumatic radial tires for passenger and light truck (commercial) vehicles.

Text prepared by the Russian Federation to elaborate on the concept of tyre deceleration (dω/dt) in the test technology.

Overview of the proposed plans to amend the 1958 Agreement as part of the development of an international whole vehicle type approval system.

Presentation on the draft regulation for international whole vehicle type approval.

Text prepared by the European Tyre and Rim Technical Organisation (ETRTO) in order to correct inconsistencies in time measurement accuracy in annex 6.

Responses from the UN Office of Legal Affairs to questions posed by the International Whole Vehice Type Approval (IWVTA) informal group concerning the ramifications of possible amendments under discussion within the group.

Proposal for a procedure through which a manufacturer could receive an exemption from WP.29/AC.2 for a new technology which is incompatible with one or more requirements of a UN Regulation from those requirements.

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).

Proposal to include ATV tires in the motorcycle and moped tire regulation in order to enable the type approval of tires designed to equip quadricycles covered by the new Regulation (EU) No. 168/2013 of 15 January 2013 on the approval and market surveillance of two- or three-wheel vehicles and quadricycles (L category vehicles). These tires may also equip some agricultural tractors (SbS vehicles) covered by the new EU Regulation.

Text prepared by the European Tyre and Rim Technical Organisation (ETRTO) to clarify the test procedure of the second load/speed performance test used for tires designed for speeds above 240 km/h for tires (as identified by the letter code “V” or “Z” in the size designation).

Text prepared by the European Tyre and Rim Technical Organisation (ETRTO) to remove All Terrain Vehicles (ATV) tires from UN Regulation 106 on agricultural tires.

Text prepared the European Tyre and Rim Technical Organisation (ETRTO) to introduce new tire sizes.

Editorial improvements to the wording of marking requirements, superseding document GRRF-74-03.

Text prepared by the European Tyre and Rim Technical Organisation (ETRTO) in order to correct inconsistencies in time measurement accuracy in Annex 6 of UN R 117.

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.