ECE/TRANS/WP.29/GRSG/100, para. 47, based on ECE/TRANS/WP.29/GRSG/2021/5, as amended by GRSG-121-08.
| WP.29/2021/103 | UN R158: Proposal for Supplement 1 | |
| WP.29/2021/103 | UN R158: Proposal for Supplement 1 | 
| WP.29-185-17 | EU Work Programme - UNECE activities 2022-2023 |