| GRPE/2013/9 | Proposal for Supplement 3 to the 01 series of amendments to Regulation No. 101 | |
| GRPE/2013/10 | Proposal for Supplement 4 to the 00 series of amendments to Regulation No. 103 | |
| GRPE/2013/11 | Proposal for the 07 series of amendments to Regulation No. 83 | |
| GRPE-66-04/Rev.1 | Proposal for an amendment to the 07 series of amendments to Regulation No. 83 | |
| GRPE-66-16 | Proposal for amendments to the 06 series of amendments to Regulation No. 83 | |
| GRPE-66-22 | Transposition of Euro 6 into UN R83/Proposed amendments to R101 and R103 | |
| GRPE-66-32 | Proposal for an amendment to the 07 series of amendments to Regulation No. 83 | |
| GRPE-66-17 | Consolidated proposal for amendments to draft Supplement 3 to the 01 series of amendments to Regulation No. 101 | |
| GRPE-66-09/Rev.1 | Pollutant Emissions in the Transportation Sector | |
| GRPE-66-04/Rev.1 | Proposal for an amendment to the 07 series of amendments to Regulation No. 83 |