| WP.29/2020/129 | GTR 18: Proposal for Amendment 1 | |
| WP.29/2020/129 | GTR 18: Proposal for Amendment 1 | |
| WP.29/2020/129 | GTR 18: Proposal for Amendment 1 | |
| WP.29/2020/130 | GTR 18: Technical Report on the development of Amendment 1 |
Proposal WP.29/2020/129 to introduce OBD2 provisions for two and three wheeled vehicles.