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.

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) to correct editorial errors in the adopted proposal for Supplement 18 to Regulation No. 54 (document WP.29/2012/49).