| GRB-68-01 | Intentionally blank | |
| GRB-68-02 | UN R51.03: Comments on tyre selection | |
| GRB-68-07 | GTR 16: Proposal for an Addendum to the Authorization to Develop the Amendment 2 | |
| GRB-68-12 | UN R117: Comments on the Supplement proposal GRVA/2018/5 | |
| GRB-68-14 | ETRTO proposals for amendments to UN Regulations Nos. 30 and 64 on Extended Mobility Tyres | |
| GRB-68-15 | Wet grip test method improvement for passenger car tyres (C1) | |
| GRB-68-16 | GTR 16: Development of Amendment 2 | |
| GRB-68-17 | North American all-season tyre pre-meeting | |
| GRB-68-18 | GTR 16: Proposal for Amendment 1 | |
| GRB-68-19 | UN R117: Proposal for a Supplement to the 02 series of amendments | |
| GRB-68-23 | Snow tyres provisions: status report | |
| GRB-68-24 | GTR 16: Light truck/C-type harmonized high speed test | |
| GRRF-86-22 | GTR 16: Memorandum explaining introduction of global marks for tyres | |
| GRVA/2018/5 | UN R117: Proposal for a Supplement | |
| GRVA/2018/6 | UN R30: Proposal for a Supplement | |
| GRVA/2018/6 | UN R30: Proposal for a Supplement | |
| GRVA/2018/7 | UN R64: Proposal for a Supplement | |
| GRVA/2018/7 | UN R64: Proposal for a Supplement | |
| GRVA/2018/8 | UN R106: Proposal for amendments |