| GRPE-71-15 | International Harmonization of Exhaust Emissions Test Procedures for Passenger Vehicles (M1) and Light Trucks (N1) | |
| GRPE-71-19/Rev.1 | Transposition of GTR No. 15 (WLTP) into type-approval EU Regulations and UN Regulations | |
| GRPE-71-24 | WLTP informal group status report | |
| GRPE-71-25 | Working draft "Phase 1b" amended GTR No. 15 (WLTP) as of 26 May 2015 (clean version) | |
| GRPE-71-26 | Working draft "Phase 1b" amended GTR No. 15 (WLTP) as of 26 May 2015 (marked up version) | |
| GRPE-71-27 | Request for Phase 2 mandate to amend GTR No. 15 (WLTP) | |
| GRPE-71-02 | Japan’s Position on Drafting of a New UN Regulation for WLTP | |
| GRPE-71-25 | Working draft "Phase 1b" amended GTR No. 15 (WLTP) as of 26 May 2015 (clean version) |