The IWG on EDR/DSSAD developed draft proposals for Event Data Recorder for conventional and automated/autonomous vehicles and Data Storage System for Automated Driving. Completed work includes UN R160 on light duty vehicle EDR, UN R169 on heavy duty vehicle EDR, and DSSAD requirements. Current activities address EDR Step 2 and DSSAD Phase 2. The IWG resolved assessment subjectiveness for vehicles with maximum mass up to 12t through a proposed Supplement 2 to UN R169.

Proposal to amend and supersede document ECE/TRANS/GRSG/2025/18 as amended by GRSG-130-66 Rev. 2. This document amends and supersedes those documents. Supplement ² to the 02 series of amendments to UN R39 is introduced to account for vehicles of categories X and Y, as well as vehicles with manual mode operating at speeds above 6 km/h equipped with an Automated Driving System Feature of Type 2. The Regulation extends application to vehicles without driver and without manual driving controls. An odometer display is required for vehicles of categories X and Y. Speedometer requirements do not apply to vehicles of categories X and Y or while an ADSF-2 is active. Authorised persons may read the odometer.

Proposal to amend and supersede document ECE/TRANS/GRSG/2025/20 as amended by GRSG-130-65. This document amends and supersedes ECE/TRANS/GRSG/2025/20 as amended by GRSG-130-65. Supplement 1 to the 07 series of amendments to UN R46 (Indirect vision) is introduced to take into account vehicles of categories X and Y, as well as vehicles with a manual mode equipped with an Automated Driving System. The scope is updated to exclude vehicles of category Y from the Regulation, since such vehicles do not have a driver and therefore do not need to provide indirect vision.

Proposal to amend and supersede ECE/TRANS/GRSG/2025/23. Supplement 45 to the original version of UN R61 introduces provisions for vehicles of categories X and Y, and vehicles with manual mode operating at speeds above 6 km/h equipped with an Automated Driving System Feature of Type 2. The Regulation is extended to vehicles without driver, driver cab, and manual driving controls. Definitions are amended to account for vehicles without a driver’s cab, and new paragraphs define ADSF-1 and ADSF-2.

Proposal clarifies the test procedure of endurance test for pressure regulators.

Proposal to amend UN Regulation No. 73 by inserting new paragraphs introducing Supplement 3 to the 01 series of amendments to take into account vehicles of categories X and Y and vehicles with a manual mode operating at speeds above 6 km/h equipped with an Automated Driving System. The Regulation was originally drafted for vehicles with driver and manual driving controls, and this amendment extends application to vehicles without driver and without manual driving controls inside the vehicle.

New paragraphs introduce provisions for vehicles of categories X and Y and vehicles with manual mode operating above 6 km/h equipped with an Automated Driving System. The regulation extends application to vehicles without driver and manual driving controls. Special provisions or exemptions do not apply to vehicles equipped with an ADS other than categories X and Y in manual or automated driving mode.

The amendment extends application to vehicles of categories X and Y, and vehicles with manual mode operating above 6 km/h equipped with an Automated Driving System. The Regulation was originally drafted for vehicles with driver and manual driving controls; the amendment extends application to vehicles without driver and without manual driving controls. For vehicles equipped with an ADS other than categories X and Y, no special provisions or exemptions apply in any driving mode.

Proposal for Supplement 1 to UN R102 to amend provisions for vehicles of categories X and Y and vehicles with an Automated Driving System operating at speeds above 6 km/h. Amendments add logic signal transmission to the ADS indicating power system/control system failures, correct engagement of positive locking systems, and maximum extension of hydraulic or pneumatic close-coupling devices. Testing provisions are modified for ADS-equipped vehicles, including steering equipment actuation at maximum performance allowed by the ADS.

Proposal clarifies the test procedure of endurance test for pressure regulators.

Proposal to supplement 01 Series of Amendments to UN R116. Supplement 4 extends application to vehicles of category X and Y, and vehicles with manual mode operating above 6 km/h equipped with Automated Driving System. New definitions added for ADS feature of type 1 and type 2. Device to prevent unauthorized use definition amended to include locking steering, transmission, gearshift control, or brakes. Immobilizer setting requirements modified. Annex 11 requirements do not apply during remote-control manoeuvring and remote-control parking under UN R79, for vehicles of categories X and Y, or when ADSF-2 is activated by authorized registered digital key.

The supplement accounts for vehicles of categories X and Y, and vehicles with manual mode operating above 6 km/h equipped with an Automated Driving System. Scope updated: Regulation does not apply to vehicles of category Y (no occupants inside) or category X without on-board manual mode. New definition of “Safety Concept” added. Vehicles of category X with on-board manual mode not using driver’s seat may fulfil alternative requirements if manufacturer demonstrates equivalent safety level.

Proposal to amend UN Regulation No. 122 (Heating Systems). The 01 series of amendments takes into account vehicles of categories X and Y and aligns provisions in Annex 5 for all occupants. Surface temperature limits for heating systems apply equally to drivers and passengers regardless of seat position or vehicle category, with special care for rear seats of M₁ vehicles. Manufacturers may justify higher temperatures through a safety concept demonstrating no increased burn risk. Transitional provisions allow type approvals under preceding series until 1 September 2028. The proposal amends and supersedes ECE/TRANS/GRSG/2026/7.

Proposal for Supplement 1 to the 03 Series of Amendments to UN R125 (Forward Field of Vision), amending and superseding ECE/TRANS/GRSG/2026/8. The proposal introduces provisions for vehicles of categories X and Y, and vehicles equipped with an Automated Driving System (ADS). Vehicles of category Y without a driver are exempt from the Regulation. For vehicles of category X with manual driving modes, different provisions apply depending on operation method: remote-control operation is exempt; seated operation follows general provisions; and on-board operation not using a driver’s seat may use alternative requirements demonstrating equivalent safety levels.

Proposal to amend and supersede ECE/TRANS/GRSG/2026/9 to supplement the 01 series of amendments to UN R144. New provisions address vehicles of category X and those equipped with an Automated Driving System. Vehicles of category Y are exempted. Amendments clarify AECS control accessibility for occupants in vehicles with ADS feature of type 2, define ADS feature types, update exclusions, and modify hands-free audio performance requirements for drivers or passengers as applicable.

Proposal to amend UN R151 (Blind Spot Information Systems) to account for vehicles of categories X and Y equipped with an Automated Driving System. BSIS is required to work when a driver is in control; vehicles of category Y and vehicles of category X without a manual mode intended to be operated on-board the vehicle are not required to comply. Vehicles of category X with a manual mode operated on-board not using a driver’s seat may be approved using alternative requirements demonstrating equivalent safety. The proposal amends scope, definitions, and approval marking provisions. This proposal amends and supersedes ECE/TRANS/GRSG/2026/10.

Clarification request of the consolidated text of paragraph 6.5.10 as amended
by supplement 4

Proposal to amend UN R167 to introduce Supplement 1 to the 01 series of amendments. The Regulation applies to vehicles of categories M₂, M₃, N₂ and N₃. Vehicles of category Y and vehicles of category X without manual mode intended to be operated on-board are exempted. Vehicles of category X with manual mode must comply. New definitions added: “Safety Concept” and “Three-dimensional reference system.” Approval marks amended to include Unique Identifier option. Alternative requirements permitted for category X vehicles with manual mode not using driver’s seat, provided equivalent safety demonstrated via safety concept. This document is intended to amend and supersede GRSG/2026/17.

Proposal to amend UN R167 to account for vehicles of categories X and Y. Vehicles of category Y and category X without manual mode intended for on-board operation are exempted from this Regulation. Vehicles equipped with an ADS must comply when operated manually by a driver on-board. Three manual modes are considered: remote-control operation near the vehicle (exempted), seated operation in driver’s seat (general provisions apply), and on-board operation other than seated (alternative provisions apply). Regulation applies to vehicles of categories M₂, M₃, N₂ and N₃. New definitions and approval mark arrangements are introduced. This document is intended to amend and supersede document ECE/TRANS/GRSG/2026/24.

This proposal is to add Component and Separate Technical Units (STU) approvals regulatory supplement to the UN Regulation No. 159 for “Uniform provisions concerning the approval of motor vehicles with regard to the Moving Off Information System for the Detection of Pedestrians and Cyclist”
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The Special Interest Group on Component & Separate Technical Units (SIG-C&STU) proposes amendments to UN R159, UN R158, UN R151, and UN R166 to add Component and Separate Technical Unit approvals. For UN R159, the proposal introduces a universal functional block structure separating Detection, Control, and Human Machine Interface functions, with Component or Separate Technical Unit fulfilling Detection and Control as minimum requirements. The regulation is restructured into three parts: vehicles without approved Component or Separate Technical Unit, vehicles with approved Component or Separate Technical Unit, and Component or Separate Technical Unit specifications. UN R158 adds new devices for Rear-View Camera Systems and Detection Systems to Part I, with corresponding installation requirements in Part II. The group requests written comments within four weeks and plans submission to Working Party 29 in June 2026.

Proposal to amend UN R159 to insert new paragraphs 0.8. and 0.8.1. to 0.8.32. addressing vehicles of categories X and Y with Automated Driving Systems. The Regulation is amended to clarify that Moving Off Information Systems are only required when a driver is in control and that vehicles without manual driver control capability are not required to comply. Paragraph 1.1. is amended to apply to vehicles of categories M₂, M₃, N₂ and N₃. Paragraph 1.3. is amended to exempt vehicles of category Y and vehicles of category X without manual on-board operation capability. Various other paragraphs and annexes are amended accordingly. This proposal amends and supersedes ECE/TRANS/GRSG/2026/12.

The Special Interest Group on Component & Separate Technical Unit (SIG-C&STU) for the Supplement of UN Regulations 151, 158, 159 and 166. Proposal adds Component and Separate Technical Units (STU) approvals requirements.

Proposal to amend and supersede ECE/TRANS/GRSG/2026/11. Supplement 6 to UN R158 amends provisions for means of rear visibility and detection. The Regulation is amended to account for vehicles of categories X and Y. Vehicles of category Y and vehicles of category X without manual mode intended to be operated on-board are exempted. Vehicles equipped with Automated Driving Systems must comply when operated manually by a driver on-board. Alternative provisions apply for category X vehicles with manual operation other than seated in driver’s seat.

Proposal to amend UN R176 (Field of Vision Assistant Systems). This document amends and supersedes ECE/TRANS/GRSG/2026/18. The supplement introduces requirements for vehicles of categories X and Y, and vehicles with manual mode operating above 6 km/h equipped with an Automated Driving System. Vehicles of category X without a driver’s seat and vehicles of category Y are exempted. Vehicles equipped with an ADS must comply when operated manually by a driver on-board from a driver’s seat. Field of Vision Assistant systems must comply with requirements except when the vehicle is parked or performing the Dynamic Driving Task while an ADS feature is active.