European Tyre and Rim Technical Organisation
13 Sep 2013 ETRTO/OICA proposal for a new Regulation on the installation of tyres (ETRTO and OICA) GRRF-75-20 2013-09-13 Proposal for a new regulation for the approval to tires installed on a vehicle. This regulations is proposed for use within the International Whole Vehicle Type Approval system in order to ensure proper tire fitment on a vehicle under IWVTA evaluation. ETRTO OICA
9 Nov 2017 Proposal of Amendments to Schedule 4 of Revision 3 of the 1958 Agreement (ETRTO) IWVTA-25-12/Rev.1 2017-11-09 Proposal to address type-approval numbering issues specific to tyres under the new version of the 1958 Agreement. ETRTO
15 Jun 2021 UN R0: Request for guidance on transitional provisions (ETRTO) IWVTA-36-09/Rev.1 2021-06-15 ETRTO