| GRRF-78-38 | Proposal to amend UN Regulation No. 64 to remove tire pressure monitoring system provisions | |
| GRRF-78-39 | Proposal for a new UN Regulation concerning the approval of vehicles with regard to their tyre pressure monitoring systems | |
| GRRF-78-48 | Proposal for amendments to UN Regulation No. 64 | |
| GRRF-78-49 | Report to the GRRF on the International Whole Vehicle Type Approval project |