| GRRF-81-29 | Presentation supporting ECE/TRANS/WP.29/GRRF/2016/18 | |
| GRRF-82-32 | Presentation for the proposal for a Supplement to the 02 series of amendments to Regulation No. 90 | |
| GRRF-82-36 | Status report of the SIG of experts dealing with Regulation No. 90 | |
| GRRF/2016/18 | Proposal for a Supplement to the 02 series of amendments to Regulation No. 90 |