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