AVLI	Informal Group on the Installation of Agricultural Vehicle Lighting Last session: June 2015
AVSR	Task Force on Autonomous Vehicle Signalling Requirements Last session: March 2025
EMC	Electromagnetic Compatibility Last session: March 2025
FIT	Regulation Fitness for Automated Vehicles
HRD	Informal Working Group on Horizontal Reference Document Last session: October 2010
LUPC	Task Force on Lamps Under Parked Conditions Last session: March 2025
R48.09SIG	Special Interest Group on UN R48 and Park Condition Lighting Last session: March 2023
SLR	Simplification of Lighting and Light-Signalling Regulations Next session: 9-11 Apr
TFGP	Task Force on Glare Prevention Next session: 8 Apr
TFHS	Task Force on Headlamp Switching Last session: September 2017
TFSR	Task Force on Substitute and Retrofit Light Sources Next session: 28 Mar
VGL	Informal Working Group on Visibility, Glare and Levelling Last session: October 2017