| GRBP-71-07 | UN R30, R54, R75 Report on study to amend the Dimensional Requirements for tyres with radial or run flat structure | |
| GRBP-71-08 | UN R30 Proposals for amending tyre marking method in the UN regulations | |
| GRBP-71-30 | UN R30 : Proposal for amendments | |
| GRBP/2020/3 | UN R30: Proposal for amendments |
GRBP will consider a proposal by the expert from the European Tyre and Rim Technical Organization (ETRTO).