| WP.29 | World Forum for the Harmonisation of Vehicle Regulations |
| Permanent Subsidiary Bodies (Working Parties) | |
| GRBP | Working Party on Noise and Tyres |
| GRE | Working Party on Lighting and Light-signalling |
| GRPE | Working Party on Pollution and Energy |
| GRSG | Working Party on General Safety |
| GRSP | Working Party on Passive Safety |
| GRVA | Working Party on Automated and Connected Vehicles |
| Informal Groups of Experts | |