Proposal to clarify that the number of cycles for initial pressure cycle life in the testing procedure in Annex 3 is 11,000 cycles.

Proposal to amend UN R134 to account for vehicles of category X and Y without driver and manual driving controls. The Regulation is extended to vehicles equipped with an Automated Driving System. New definitions for ADS feature of type 1 and type 2 are inserted. Modifications address hydrogen concentration warnings, tell-tale signals to driver or ADS, and test procedures in Annex 5. References to the Consolidated Resolution on the Construction of Vehicles are updated.

Proposal to amend UN R135 supplement 4 to the 02 series of amendments. The Regulation is amended to account for vehicles of category X. The Regulation is extended to vehicles without driver and without manual driving controls inside the vehicle. For vehicles equipped with an Automated Driving System, in manual driving mode no special provisions or exemptions apply; in a mode where an ADS feature is active the relevant ADS requirements apply. The scope is modified to include category X vehicles and exclude category Y vehicles. Definitions are amended regarding back doors, hinges, and vehicle width. Testing procedures for side-impact pole tests are modified, including provisions for category X vehicles and vehicles with different side structures or protective systems.

Proposal to amend UN R137 concerning approval of passenger cars in the event of frontal collision with regard to restraint systems, fuel system integrity, and protection against electrical shock. Amendments include extension of application to vehicles of category X without driver and manual driving controls, and vehicles equipped with Automated Driving System. Vehicles of category Y are excluded from scope. Modifications address dummy positioning, seat specifications, door locking systems, and airbag warning requirements.

Proposal to amend UN R21 Supplement 6 to the 01 series of amendments. The Regulation is amended to account for vehicles of category X and extend application to vehicles without driver and without manual driving controls. The scope applies to interior fittings of vehicles of category M1, including interior parts of passenger compartment, arrangement of controls, roof or opening roof, and seat-back and rear parts of seats. New definitions for “ADS feature of type 1” and “ADS feature of type 2” are inserted. Provisions for power-operated windows, roof panels and partition systems are amended, including requirements for auto-reversing devices and owner’s manual instructions.

Proposal to change the transitional provisions in such a way as to allow Contracting Parties to issue approvals according to the 05 series of amendments.

Modifications to ECE/TRANS/WP.29/GRSP/2025/18

Proposal to amend UN R100 Supplement 1 to the 05 series. The Regulation is amended to account for vehicles of category X and Y, and to extend application to vehicles without driver and without manual driving controls. For vehicles equipped with an Automated Driving System, provisions apply based on driving mode. New definitions for ADS feature of type 1 and type 2 are inserted. Modifications address isolation resistance monitoring, REESS warnings, and test procedures in Annexes 8 and 9E. Thermal propagation requirements do not apply to vehicles of category Y.

Proposal to correct inconsistencies following the amendment of regulation 100 by vehicles of category O

Proposal to amend UN R153. A new Introduction section is inserted to account for vehicles of category X and to extend application to vehicles without driver and without manual driving controls. Vehicles of category Y are not in scope. In manual driving mode, no special provisions apply to vehicles with Automated Driving System other than category X; relevant ADS requirements apply when an ADS feature is active. Scope is amended to apply to vehicles of category M₁ and N₁ regarding fuel system integrity and electric power train safety at rear-end collision. Footnotes are updated with references to the Consolidated Resolution on the Construction of Vehicles.

Proposal to amend UN R173 to account for vehicles of category X. The Regulation applies to vehicles of categories M, N, O, L₂, L₄, L₅, L₆, L₇ and T₁ regarding safety-belts and restraint systems installation. For vehicles of category X, a seating position with steering control placed in front may be designated suitable for child restraint system installation if requirements for passenger seating positions are fulfilled. Vehicles of category Y are not in scope. Amendments address automated driving systems and extend application to vehicles without driver and manual driving controls.

Proposal to amend UN R174 supplement 1 to the 01 series of amendments. Modifications include clarifying folding seat exemptions from safety-belt reminder requirements, deleting requirement that first level warning activation depend on transmission neutral position, harmonizing “vehicle master control switch” definition with UN R159, ensuring drivers receive initial warnings when entering vehicles with remotely activated switches, enabling clear voice communication during emergency calls, extending application to vehicles of category X, and accommodating vehicles without driver and manual driving controls and those equipped with Automated Driving Systems. Amendments specify safety-belt reminder requirements for affected seating positions and modify testing procedures accordingly.

Proposal from the Task Force on Hydrogen Regulations.

Proposal to establish a Task Force on Emergency Door Opening. The Task Force will develop amendments to UN R11, UN R21, and UN GTR No. 1 addressing door opening systems and window opening after vehicle submergence. A second phase will address post-crash extrication requirements for UN R94, R95, R135, R137, and UN GTR No. 14. Germany chairs the Task Force; Republic of Korea serves as Vice-Chair; OICA provides secretariat support. Draft amendments are due for submission at GRSP’s 80th session.

Proposal to amend UN R129 concerning Enhanced Child Restraint Systems. Modifications include: adjusting shoulder height dimensions in Annex 18 table 1 to align with anthropometric data for children from 40-70 cm; permitting one additional insert layer for infants below 50 cm; establishing minimum stature of 35 cm; and adding transitional provisions regarding type-approval acceptance timelines from September 2028-2029. Changes address fit concerns for premature newborns and small children.