The World Forum (WP.29) oversees six permanent working parties. In addition, the Forum and its Working Parties oversee respective groups of experts (a.k.a. informal working groups, task forces, and special interest groups).

Informal Groups ← Back
3D H-point Machine (HPM) Last: Apr 2023
A-LCA Subgroup 2 (A-LCA-SG2) Last: Mar 2026
A-LCA Subgroup 3 (A-LCA-SG3) Last: Nov 2025
A-LCA Subgroup 4 (A-LCA-SG4) Last: Feb 2026
A-LCA Subgroup 5 (A-LCA-SG5) Last: Nov 2025
A-LCA Subgroup 6 (A-LCA-SG6) Last: Nov 2025
A-LCA Subgroup 7 (A-LCA-SG7) Last: Apr 2025
Acceleration Control for Pedal Error (ACPE) Last: Jan 2025
Acceleration Control for Pedal Error (GTR) (ACPE-GTR) Next: May 2026
Accessories for Protective Helmets (APH) Last: Nov 2021
Accident Emergency Call Systems (AECS) Last: Apr 2016
Additional Sound Emissions Provisions (ASEP) Last: Nov 2005
Additional Sound Emissions Provisions Informal Group-II (ASEP II) Last: Feb 2022
ADS Amendments (GRPE-AVRS-SG) Last: Mar 2025
Advanced Driver Assistance Systems (ADAS) Last: Mar 2026
Advanced Emergency Braking and Lane Departure Warning Systems (AEBS/LDWS) Last: Jan 2013
AEBS for M1/N1 Vehicles (AEBS) Last: Sep 2021
AEBS-Heavy Vehicles (AEBS-HDV) Last: Apr 2022
Agricultural Couplings (ACDC) Last: Nov 2017
Agricultural Vehicle Couplings Task Force (TFAC) Last: May 2015
Agricultural Vehicle Lighting Installation (AVLI) Last: Jun 2015
Artificial Intelligence (AI) Next: Apr 2026
Automated Connections Between Vehicles (ACV) Last: Apr 2013
Automated Driving Informal Group (ITS/AD) Last: Jun 2018
Automated Driving Systems (ADS) Next: May 2026
Automated Vehicle Testing (TFAV) Last: Oct 2018
Automatic Emergency Braking (AEBS2) Next: Apr 2026
Automatically Commanded Steering Informal Group (ACSF) Last: Jan 2020
Automotive Life Cycle Assessment (A-LCA) Next: Apr 2026
Autonomous Vehicle Signalling Requirements (AVSR) Next: Jun 2026
AV Categorisation (AVC) Last: May 2025
AV Fitness (FIT)
AV Functional Requirements (FRAV) Last: Dec 2023
AVLI Editorial Task Force (AVLI-ETF) Last: Jan 2015
BioRID TEG (TEGID) Last: Sep 2019
Brake Emissions Task Force (BETF) Last: Jul 2021
Bus Fire Event Management (BMFE) Last: Sep 2021
Cab Strength Informal Group (CS) Last: Sep 2008
Camera Monitor Systems (II) Informal Group (CMS II) Last: Mar 2015
Camera Monitor Systems Informal Group (CMS) Last: Dec 2009
Children in Buses and Coaches (STCBC) Last: Jun 2025
Children Left in Vehicles (CLIV) Last: Mar 2026
CRS Informal Group (CRS) Last: Oct 2017
CS/OTA Task Force (TFCS) Next: Apr 2026
CS/OTA Test Phase (TFCS-TPCM) Last: Sep 2019
Data Exchange for Type Approvals (DETA) Next: Jun 2026
Data on Equitable Occupant Protection (DEOP) Last: Feb 2023
Deployable Pedestrian Protection Systems (IWG-DPPS) Last: Nov 2023
Deployable Pedestrian Protection Task Force (DPPS) Last: Nov 2017
DETA Unique Identifier (DETA-SG-UI) Last: Feb 2021
Drowsiness/Distraction Warning Systems (DDADWS) Last: Oct 2025
DSSAD Subgroup (SG-DSSAD) Last: Dec 2025
DTP Additional Pollutants (WLTP-DTP-AP) Last: Mar 2011
DTP PM/PN Measurement (WLTP-DTP-PMPN) Last: Aug 2010
Dual Fuel Task Force (HDDF) Last: Sep 2014
EDR Acceleration Accuracy (EDRAA) Last: Jul 2022
EDR Data Elements Task Force (EDRDE) Last: Jun 2023
EDR Data Overwriting (EDROW) Last: Sep 2020
EDR Definitions Task Force (EDRD) Last: Sep 2020
EDR task force (TF-EDR) Last: Jan 2024
eHDV durability (eHDV) Last: Nov 2023
Electric Vehicle Safety (EVS) Last: Sep 2025
Electric Vehicles and the Environment (EVE) Next: Apr 2026
Electrical Safety Group (ELSA) Last: Sep 2010
Electromagnetic Compatibility (EMC) Last: Dec 2025
Electromechanical Braking (EBSIG) Last: May 2024
EMB-Energy (EMB-EGE) Last: Aug 2023
Emergency Door Openings SIG (EDO) Next: Apr 2026
Enforcement Working Group (EWG) Last: Nov 2015
Enhancements to UN R151 and R159 (TF-R151/R159)
Environmentally Friendly Vehicles Informal Group (EFV) Last: Jun 2011
EqOP Virtual Crash Testing (EqOP-TF3) Next: Apr 2026
EqOP-Injury Types (EqOP-TF5) Last: Nov 2024
EqOP-Rear Impact (EqOP-TF2) Next: Jun 2026
EqOP-Restraints (EqOP-TF4) Next: Apr 2026
Equitable Occupant Protection (EqOP) Next: May 2026
Equity Report Drafting (EqOP-TF1) Last: Apr 2024
EV Thermal Propagation (SIGTP) Last: Nov 2024
EV/HFCV Retrofit Systems (EV/HFCV) Next: Apr 2026
Event Data Recorders/Data Storage Systems for Automated Driving (EDR-DSSAD) Next: May 2026
EVS Task Forces (EVSTF) Last: Sep 2016
EVSC Alternative Method Informal Group (AMEVSC) Last: Dec 2012
Field of Vision Assistant (IWG) (IWG-FVA) Last: Apr 2024
Field of Vision Assistant (TF) (TF-FVA) Last: May 2021
Flex-PLI TEG (TEG) Last: Dec 2010
FRAV-VMAD Integration (FRAV-VMAD) Last: Feb 2024
Frontal Impact Informal Group (FI) Last: Apr 2014
Fuel Quality (FQ) Last: Jun 2010
FVA EG1 (FVA-EG1)
FVA-EG2 Last: Apr 2024
FVA-EG3
Gaseous Fueled Vehicles Informal Group (GFV) Last: Jun 2016
Glare Prevention (TFGP) Next: Apr 2026
Global Real Driving Emissions (RDE) Last: Jan 2021
GRBP Automated Vehicle Regulation Screening (GRBP-TFAVRS) Next: May 2026
GRBP SIG on Regulation Screening for AV (SIG-AVRS) Last: Jan 2024
GRPE AV Regulation Screening (GRPE-TF-AVRS) Last: Mar 2026
GRPE-AVRS-Minor Amendments (GRPE-AVRS-SGMA) Last: May 2025
GRSG AV Regulation Screening (GRSG-AVRS) Last: Mar 2026
GRSP AV Screening (GRSP-TF-AVRS) Next: Apr 2026
GRVA ADS Workshops (GRVA-WS-ADS) Next: May 2026
GRVA ADS Workshops (GRVA-ADS-WS)
GRVA Cyber Security Workshops (GRVA-WS-CS) Last: Mar 2026
GTR 13-UN R134 transposition (R134) Last: Apr 2025
GTR 7 Phase II Informal Group (GTR7) Last: Sep 2015
GTR 9 Amendment Technical Subgroup (TWSG) Last: Dec 2021
GTR 9 Certification Corridor (TF-RUCC) Last: Jan 2012
GTR 9-Pedestrian Protection (TFPP3) Last: Dec 2021
GTR 9-Phase 2 Informal Group (GTR9) Last: Nov 2017
Harmonized WorldSID Informal Group (WS) Last: Sep 2012
HDH Drafting Group (HDH-DG) Last: Apr 2014
Headlamp Levelling (SLR-HL)
Headlamp Switching Task Force (TFHS) Last: Sep 2017
Heavy Vehicle AEBS Ad Hoc Group (Ad Hoc AEBS) Last: Dec 2018
Heavy-Duty Hybrids Informal Group (HDH) Last: Mar 2016
HFCV-Environment Subgroup (H2SGE) Last: Jun 2010
HFCV-GTR 13 Phase 2 (GTR13) Last: Jun 2022
HFCV-Safety Subgroup (SGS) Last: Jun 2011
Horizontal Reference Document Informal Group (HRD) Last: Oct 2010
Hydrogen task force (TFH2) Last: Mar 2026
Hydrogen/Fuel-Cell Vehicles Informal Group (HFCV)
IGPG Wiper Task Force-SG1 (IGPG-TF Wiper-SG1) Last: Aug 2012
IGPG Wiper Task Force-SG2 (IGPG-TF Wiper-SG2) Last: Nov 2012
Intelligent Transport Systems Informal Group (ITS) Last: Nov 2014
International Whole Vehicle Type Approval System (IWVTA) Next: Jun 2026
ITS-Phase 3 (ITS3) Last: Feb 2025
ITS/AD Ad Hoc Group (ITS/AD-AH) Last: Mar 2017
IWG-MU-RE3 SDG (MU-RE3)
IWVTA 1958 Agreement Subgroup (SG58) Last: Mar 2017
IWVTA Ambassadors Subgroup (Ambassador) Last: Mar 2013
IWVTA Regulation 0 Subgroup (SGR0) Last: Mar 2017
L-EPPR Durability (DUR) Last: Aug 2021
L-Vehicle Environmental and Propulsion Performance Requirements (EPPR) Last: Mar 2026
Lamps Under Parked Conditions (LUPC) Last: Mar 2026
LKAS Ad Hoc Group (LKAS) Last: Jun 2015
LNG Task Force (LNG) Last: Dec 2013
Low Temperature Task Force (LTTF) Last: Jun 2020
MACTP Informal Group (MACTP) Last: Jun 2012
Modular Vehicle Combinations (MVC) Last: Jan 2020
Motorcycle Controls GTR (MCSYM) Last: Apr 2011
Motorcycle RD-ASEP (RDASEPL) Last: Dec 2024
Noise Measurement Uncertainties (IWGMU) Last: Nov 2023
OBD Task Force (WLTP-OBD) Last: Mar 2020
OBD2 Correspondence Group (OBD2CG) Last: Jan 2021
Panoramic Sunroof Glazing (PSG) Last: Oct 2020
Park Condition Lighting (R48.09SIG) Last: Mar 2023
Particle Measurement Programme (PMP) Last: Mar 2026
Pedestrian Safety IWG (PS) Last: Apr 2005
Periodical Technical Inspections (PTI) Last: Jan 2026
Plastic Glazing Informal Group (IGPG) Last: Jun 2014
Pole Side Impact Informal Group (PSI) Last: Nov 2012
Power Determination Group (SPDGTR) Last: Jun 2018
Protective Helmets (PH) Last: Dec 2019
QRTV GTR- Task Force (GTRQRTV-TF) Last: Oct 2014
QRTV UN Regulation Informal Group (REG58-QRTV) Last: Feb 2016
Quiet Road Transport Vehicles Group (QRTV) Last: Feb 2012
Quiet Road Transport Vehicles GTR (GTRQRTV) Last: May 2018
R129-R145 (AdHocCRS) Last: Apr 2023
R151/158 Scope Extension (TF-R151/158) Last: Jun 2025
R41 Working Group (R41WG) Last: Jun 2010
R51 and R59 (IWG-R51/R59) Last: Oct 2014
R51/R138 Subgroup (R51/R138) Last: Jan 2026
R55 Revision Informal Group (R55) Last: Jun 2016
RD-ASEP (RDASEP) Next: Apr 2026
RD-ASEP (M1/N1) (IG-ASEP) Last: Jun 2024
RD-ASEP Editing (RDASEP-Edit) Next: Apr 2026
RDASEP Data Analysis task force (RDASEP-TFDA) Last: Mar 2026
Rechargeable Energy Storage Systems Subgroup (REESS) Last: Aug 2014
Regulation Fitness for ADS (GRVA) (FADS) Next: May 2026
Retrofit Emission Control Devices Informal Group (REC) Last: Jan 2014
Reverse Warning Task Force (TFRWS) Last: Oct 2021
Reversing Direction (TFRD) Last: Sep 2025
Safer and Cleaner Vehicles (SCUNV) Last: Mar 2026
Service Doors, Windows and Emergency Exits Group (SDWEE) Last: Jan 2012
SG1: LCA Overarching Aspects (A-LCA-SG1) Last: Aug 2025
Simplification of Lighting Regulations (SLR) Next: Apr 2026
SLR-Agricultural Vehicles (SLR-AVM) Last: Dec 2023
Special Tyre Definitions (STD) Last: Aug 2009
STCBC UN R173 Task Force (STCBC-TF173) Last: Feb 2026
Steer-by-Wire (SbW) Last: Mar 2024
Studded Tyres Task Force (TFST) Last: May 2022
Subgroup on EDR (SG-EDR) Last: Mar 2026
Substitute Light Sources (TFSR) Next: Apr 2026
Task Force QRTV-UN R138.02 (TFQRTV) Last: Nov 2023
Task Force-Bumper Test Area (TF-BTA) Last: Nov 2014
TFAV Certification Tests & Audit (TFAV-SG1) Last: Oct 2018
TFAV Real World Test Drive (TFAV-SG2) Last: Oct 2018
TFCS Software Updates (TFCS-ahSU) Last: Sep 2017
TFCS-Ad Hoc Threats (TFCS-ahT) Last: Apr 2017
TFCS-ahSU-Recommendations (TFCS-ahRSU) Last: Dec 2017
TFCS-CS Recommendation (TFCS-ahRCS) Last: Feb 2018
TFCS-Mitigations (TFCS-ahM) Last: Aug 2017
TFCS-Mitigations Paper (TFCS-ahMP) Last: Sep 2017
TPMS and Tyre Installation (TPMSTI) Last: Jul 2021
TPMS Communication Interface (TPMSTI-CI) Last: Oct 2020
Trailer TPMS Type Approval subgroup (TAT) Last: May 2021
Tyre Abrasion (TA) Last: Apr 2026
Tyre GTR Informal Group (TYREGTR) Last: Sep 2019
Tyre Pressure Monitoring (TPM) Last: Nov 2008
UN Harmonized Q Dummies (TF-QUN) Last: Jun 2022
UN R100 (UNR100)
UN R14 Extended Use Positions (WSR14) Last: Apr 2024
UN R157 Special Interest Group (UNR157) Last: Sep 2022
UN R16 Split (R16S) Last: Feb 2024
UN R39 Mileage Values (R39MV) Last: Sep 2024
UNR116 Key Definition (R116Key) Last: Mar 2021
UNR51-04 Drafting Group (UNR51-DG) Last: Nov 2021
Validation Methods for Automated Driving (VMAD) Last: May 2024
Vehicle Interior Air Quality (VIAQ) Last: Mar 2026
Vehicle Propulsion System Definitions (VPSD) Last: Feb 2015
Vehicle Sound (TFVS) Next: Apr 2026
Vehicle Sound Cross-Matrix (VSCM) Last: Mar 2022
Vehicle/Tyre Noise Measurement Uncertainties (TFMU) Last: Jun 2022
Vehicular Communications (VCTF) Last: Jan 2026
Visibility, Glare, and Levelling Informal Group (VGL) Last: Oct 2017
VMAD-SG1 (Scenarios) (VMAD-SG1) Last: Oct 2023
VMAD-SG2 (Virtual Testing) (VMAD-SG2) Last: Sep 2023
VMAD-SG3 (Audit/In-Service) (VMAD-SG3) Last: Feb 2024
VMAD-SG4 (Physical Testing) (VMAD-SG4) Last: Oct 2023
VRU Awareness-Bus and Coach (VRUB) Last: Jun 2025
VRU Proximity Awareness Informal Group (VRU-Proxi) Last: Sep 2025
VRU Separate Technical Units (TF-STU) Last: Oct 2025
Wet Grip on Worn Tyres (WT) Last: Mar 2026
Whiplash Criteria (WCWID) Last: Aug 2015
Whole Life Compliance (PTI-WLC) Last: Apr 2021
WLTP 04/05 Series Ad Hoc Group (WLTP-AH) Last: Mar 2026
WLTP Conformity of Production Task Force (TFCoP) Last: Dec 2019
WLTP Drafting Subgroup (WLTP-SG-Drafting) Last: Oct 2015
WLTP Harmonized Drive Cycle Subgroup (WLTP-DHC) Last: Jun 2013
WLTP Informal Group (WLTP) Last: Jun 2020
WLTP Subgroup on Electric Vehicles (WLTP-DTP-E-Lab) Last: Jan 2012
WLTP Test Procedure Development Subgroup (WLTP-DTP) Last: Jun 2013
WLTP-DTP-Lab Process-ICE (WLTP-DTP-LabProcICE) Last: Nov 2011
WLTP-Electrified Vehicles (WLTP-SG-EV) Last: May 2020
WLTP-Transposition TF (WLTP-TTF) Last: Jan 2020