Draft supplemental documents to accompany the submission of the proposed
global technical regulation on pneumatic radial tyres for passenger and light truck (commercial) vehicles.

Editorial corrections proposed by the ETRTO, JATMA and RMA to the draft gtr on tyres.

Amendments to the proposed structure and draft preamble to establish a global technical regulation (GTR) for new radial pneumatic tyres as agreed during the 13th Ad-Hoc Informal Working Group Meeting for a GTR on Tyres of 29 June 2012.

List of editorial changes to be made in the draft Tire GTR (document GRRF/2012/22) in addition to those requested by the experts from the tire industry in informal document GRRF-73-12. The intention of these changes is only to correct and refine the draft GTR wording.

Proposal to define the relief depth of tire markings and an editorial correction concerning the permissible tire marking fonts.