| GRPE-73-05 | Comments on the transposition process of GTR No. 15 (WLTP) into UN Regulation (1958 Agreement) | |
| GRPE-73-10 | Status report of the WLTP informal group | |
| GRPE-73-11 | GTR No. 15 WLTP Phase 2 working items and schedule | |
| GRPE-73-12 | Draft GTR on a light vehicle evaporation emissions test procedure | |
| GRPE-73-26 | Comments on the transposition process of GTR No. 15 (WLTP) into UN Regulation (1958 Agreement) |