| GRPE-72-09/Rev.2 | Proposal for amendments to ECE/TRANS/WP.29/GRPE/2016/3 on WLTP Phase 1b | |
| GRPE-72-10/Rev.2 | Proposal for amendments to ECE/TRANS/WP.29/GRPE/2016/3 on WLTP Phase 1b (Consolidated version) | |
| WLTP-13-05 | Amendments to the formal GRPE proposal of amendments to GTR No. 15 | |
| WLTP-13-05/App.1 | Appendix to the draft proposal for amendments to the formal proposal for phase 1b of GTR No. 15 |