Proposal to amend the Interpretation Document for UN R156. The document clarifies requirements in paragraph 7 and Annex 1 concerning software update and software update management systems to promote uniform assessments and align with the 01 series of amendments. The document provides non-mandatory guidance for demonstrating compliance with UN R156 requirements through documentation, presentation, and audit, with supporting reference to ISO 24089:2023. The proposal addresses processes for software updates after vehicle registration, including assessment of compliance impacts, documentation procedures, security measures, over-the-air update safeguards, and vehicle user notification requirements.

Proposal to amend UN R17, including revised definitions of head restraint, corrections to paragraph references, replacement of terminology such as “absorption” with “dissipation” and “reference line” with “longitudinal vertical plane passing through the R-point,” revised test procedures in multiple annexes, and modifications to measurement requirements for head restraint displacement and strength testing. The text was adopted by GRSP at its seventy-eighth session based on ECE/TRANS/WP.29/GRSP/78, Annex IV.A. Amendments

Proposal to amend UN R17 Supplement 1 to the 12 series of amendments. The Regulation is amended to account for vehicles of category X. Vehicles of category Y are not in the scope of this Regulation. The Regulation is extended to vehicles without driver and manual driving controls. Multiple amendments are made to definitions, test procedures, and technical requirements for seats, anchorages, and head restraints, including changes to measurement planes, test parameters, and displacement specifications across various annexes and paragraphs.

Proposal to correct inconsistencies in isolation resistance monitoring system requirements for vehicles of category O₃ and O₄ trailers to provide optical and/or audible warnings via CAN-Bus signal transmission. High voltage REESS isolation resistance requirement set at minimum 100 Ω/Volt or protection degree IPXXB fulfillment. Requirements do not apply to REESS solely installed on vehicles of category O or batteries used for recuperation.

Proposal to account for vehicles of categories X and Y, extend application to vehicles without driver and without manual driving controls, and address inconsistencies related to REESS provisions. The amendment introduces ADS feature types 1 and 2, modifies warning transmission requirements for ADSF-2, adjusts isolation resistance specifications, and exempts certain REESS requirements for category O and Y vehicles. Changes include updates to Annex 8 stopping conditions and Annex 9E terminology.

Proposal to replace “675 Nm ± 25 Nm” with “a minimum of 650 Nm but no more than 850 Nm” in Annex 4, paragraph 3.5., and in Annex 6, paragraph 2.4.1.

Proposal to modify requirements for headform acceleration derivation, windscreen testing, and approval marks. The document proposes notification procedures for Contracting Parties to share test results via the DETA database, deletes paragraphs 11.1 to 11.4, extends transition periods for atypical windscreen fracture behaviour testing until 1 September 2033 and WAD 2,100 boundary provisions until 1 September 2028, and adjusts bonnet top impact torque specifications from 675 Nm ±25 Nm to between 650 Nm and 850 Nm.

Proposal to extend application of UN R127 to vehicles of category X and those without drivers or manual driving controls, modify scope provisions, update headform acceleration criteria in paragraph 2.48, add new approval mark provisions distinguishing WAD 2,100 versus WAD 2,500 boundaries, require mandatory notification and uploading of test results to the DETA database, and set transitional provisions with dates through 2033 for type approvals and acceptance of previous amendments.

Proposal based on GRSP/2025/31 to amend para. 7.1.3.6. to require relevant intermediate dummies testing when Enhanced Child Restraint Systems require substantial modification for different sizes or when size range covers more than 3 size ranges and to delete paragraph 5.5. and renumber paragraphs 5.6. to 5.8. as 5.5. to 5.7.

Proposal to modify para. 6.2.1.1. regarding insert layers for small babies with stature below 50 cm, amend Annex 18, table 1 with updated shoulder height dimensions for statures 40 cm to 70 cm, update approval markings in Annex 2, and introduce transitional provisions with Contracting Parties no longer obliged to accept preceding series approvals from 1 September 2028.

Proposal to amend Annex 3, table 3, column “Number of cycles,” first row, is amended to read “60 per cent of initial cycle life (11 000 cycles).” and Annex 3, table 4, column “Number of cycles,” first and second rows, is amended to read “20 per cent of initial cycle life (11 000 cycles).”

Proposal to extend UN R134 to vehicles of category X (excluding vehicles of category Y), add provisions for Periodic Technical Inspections, modify hydrogen concentration warning requirements for ADS features of type 2 to transmit logic signals to the ADS, and adjust test cycle specifications in Annex 3.

Proposal to clarify that Child Restraint Systems approved according to UN R129 or R44 may be used in vehicles of categories M₂ and M₃ with a 3-point belt and/or ISOFIX attachments without further requirements. As a result, Part I of UN R170 covers Built-in Child Restraint Systems for securing children from 40 – 150 cm in forward facing and rearward facing vehicle seats and Part II addresses Child Restraint Systems approved according to UN R129 or R44 which may be installed in a bus seat with a 2-point belt.

Proposal to extend the scope to vehicles of category X (application to vehicles without driver and manual driving controls), to define door closure warning systems, address ADS features of type 1 and type 2, add requirements for door locking devices on vehicles equipped with ADSF-2, and modify references to driver-side impacts by impacts on one side of the vehicle.

Proposal to extend the scope to include vehicles of category X, replace “driver” by “occupant”, and separate the scope into vehicles with regard to protection of occupants against the steering mechanism and electrical shock in a frontal collision and steering controls with regard to protection of occupants in the event of impact.

Proposal to enable application to vehicles of category X. For vehicles equipped with an Automated Driving System other than vehicles of category X, in manual driving mode no special provisions apply. In a mode where an ADS feature is active, the relevant requirements for ADS vehicles apply.

Proposal to enable application to vehicles of category X (vehicles of category Y are not in scope). For vehicles of category X, the R point of the most forward passenger seat shall be taken instead of the R-point of the driver’s seat. Amendments address steering control contact requirements and modify occupant references.

Proposal to enable application to vehicles of category X, including prohibition of one-touch closing when an ADSF-2 is active, requirement for auto-reversing devices for power operated windows that can be operated by an ADSF-2, and user manual instructions for power-operated systems including warnings regarding improper use and driver and ADS responsibilities.

Proposal to enable application to vehicles of category X (vehicles of category Y are not in scope) with amendments addressing steering wheel hub provisions, cab positioning, and seating requirements for vehicles of category X. Cabs for vehicles of category X mounted in other positions than vehicle front shall not be taken into account for frontal collision simulation.

Proposal to enable application to vehicles of category X, including attention to ADAS/ADS sensors and providing specifications for test procedures and dummy positioning requirements for vehicles of category X in frontal collision protection testing.

Proposal to enable application to vehicles of category X, including clarifications to test procedures for asymmetric side structures and specifications for category X vehicles. 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 regulation does not apply to vehicles of category Y.

Proposal to enable application to vehicles of category X with a gross vehicle mass of up to 3,500 kg. The most forward passenger seat R-point shall be taken instead of the driver’s seat R-point for vehicles of category X. Amendments clarify provisions related to sensors, testing procedures, and applicability to vehicles without drivers.

Proposal to enable application to vehicles of category X. Amendments specify dummy placement and positioning requirements for vehicles of category X, including provisions for both right and left hand traffic configurations. Vehicles of category Y are excluded from the scope.

Proposal to enable application to vehicles of category X (vehicles of category Y are excluded from the scope). For vehicles of category X, the R point of the most forward passenger seat shall be taken instead of the R-point of the driver’s seat. The proposal amends the provision on “anti-rotation device” to read, “An anti-rotation device for an ISOFIX semi-universal child restraint system consists of either a top tether, the vehicle dashboard, a support leg or any other means intended to limit the rotation of the restraint during a frontal impact”.

Proposal to enable application to vehicles of category X. In the absence of a driver or manual driving controls, provisions related to them shall not be taken into account if not already covered by this amendment. Vehicles of category Y are not in the scope of this Regulation. In manual driving mode, no special provisions or exemptions apply to vehicles equipped with an Automated Driving System other than vehicles of category X.

Proposal to enable application to vehicles of category X. For vehicles of category X, the R point of the most forward passenger seat shall be taken instead of the R-point of the driver’s seat. A seating position with steering control placed in front may be designated as suitable for Child Restraint System installation if requirements for a passenger seating position are fulfilled. The Regulation does not apply to vehicles of category Y.

Proposal to clarify exemptions for folding seats, delete a condition on neutral transmission position for first-level warnings, harmonize the “vehicle master control switch” definition with UN R159, ensure drivers receive initial warnings when entering vehicles with remotely activated switches, ensure clear voice communication during emergency calls, and enable application of UN R174 to vehicles of category X, including requirements for safety-belt reminders in first-row seats of category X vehicles and permission for ADS management of safety-belt reminders if equivalent safety is provided.

Proposal to modify paragraph 5.2.1.31 to clarify that when a vehicle is equipped with means to indicate emergency braking, activation and deactivation of the emergency braking signal shall only be generated by application of the service braking system regardless of its means of activation under the specified conditions.

Proposal to amend paragraph 5.2.1.31. regarding activation and de-activation of the emergency braking signal. When a vehicle is equipped with the means to indicate emergency braking, activation and de-activation of the emergency braking signal shall only be generated by the application of the service braking system regardless of its means of activation when the specified conditions are fulfilled.

Proposal to amend paragraph 5.2.1.31. to specify that when a vehicle is equipped with the means to indicate emergency braking, activation and deactivation of the emergency braking signal shall only be generated by the application of the service braking system regardless of its means of activation when the specified conditions are fulfilled.

Proposal to amend paragraph 5.6.1.2.9. of UN R79 to require that for RCP systems based on detection of driver position and movement, the deactivation referred to in paragraph 5.6.1.1.3. shall be through a simple and obvious action that will be recognised by the system.

Proposal to amend paragraph 4.4.3. to add a letter “X” preceding the approval number when ACSF of Category A, B1 or C are exempted from technical requirements or when the steering system exhibits ACSF of Category B2, D or E functionality, to require vehicles equipped with ACSF of Category A to fulfil requirements unless equipped with a DCAS complying with UN Regulation No. 171, and to require deactivation of RCP systems based on driver position detection through a simple and obvious action.

Proposal to amend paragraph 4.4.3. to add letter “X” preceding the approval number when ACSF of Category A, B1 or C have been exempted from technical requirements or when the steering system exhibits functionality defined as ACSF of Category B2, D or E; amend paragraph 5.6.1. to add provisions for vehicles equipped with ACSF of Category A unless equipped with a DCAS complying with UN R171; and amend paragraph 5.6.1.2.9. regarding deactivation of RCP systems based on detection of driver position and movement through a simple and obvious action.

Proposal to introduce references to ADS acceleration demands, establish speed limitation requirements for vehicles of Categories X and Y, require ASLF and ASLD deactivation upon ADS feature activation, and specify testing procedures including dedicated activation methods for vehicles without manual driving controls.

Proposal to amend paragraph 1.1.1. to insert a new footnote 7 defining replacement brake lining assemblies; amend footnote 4 referencing the Consolidated Resolution on the Construction of Vehicles; and amend Annexes 3, 4, 7, 11, and 14 to establish special provisions for vehicles equipped with an Automated Driving System, including dedicated activation methods for braking tests, demonstration requirements for test activation method accuracy, recording of braking demand in test reports, and speed limitations at 90 per cent of v_max for vehicles of categories X and Y.

Proposal to insert a new paragraph at the end of the introduction, amend paragraph 1 to clarify that the Regulation does not apply to vehicles of Categories X and Y, amend footnotes 1, 2, and 3 to reference document ECE/TRANS/WP.29/78/Rev.8, and insert new paragraph 5.6. with provisions that the LDWS function shall be deactivated upon activation of an ADS feature and automatically reinstated upon deactivation of an ADS feature.

Proposal to clarify that the Regulation does not apply to vehicles of categories X and Y, add an alternative approval pathway for certain vehicles using UN R152 requirements, allow continued extension of approvals for 12 months, amend paragraph 10 of Annex 1, and revise Annex 2 (approval mark arrangements).

The proposal adds Annex 5 on special provisions for testing vehicles equipped with an Automated Driving System (ADS) and adds definitions for ADS, Dynamic Driving Task, Category X and Y vehicles, logical signal, and Vehicle Master Control Switch. Amendments modify run-flat warning system requirements, braking performance tests, and tyre detection procedures to accommodate ADS-equipped vehicles.

Proposal to amend UN Regulation No. 172 based on GRBP/2026/10 as amended by GRBP-83-15-Rev.1. Amendments include revised definition of supplier of tread in paragraph 2.2.; modification of paragraph 6.2. to require tyres to meet conditions in paragraph 6.2.1. or 6.2.2.; insertion of new paragraphs 6.2.2., 6.2.2.1., 6.2.2.2., and 6.2.2.3. establishing calculation methods for deformation potential and number of traction elements based on tyre class and nominal rim diameter; insertion of new paragraph 6.4.(a) for class C₁ tyres; renumbering of former paragraphs 6.

Proposal to insert new paragraphs 0. and 0.1. to 0.1.2., and amend footnotes 1 and 2 in UN R18. Supplement 5 to the 03 series of amendments is introduced to take into account vehicles of categories X and Y, as well as vehicles with a manual mode operating at speeds above 6 km/h which are equipped with an Automated Driving System. The amendment extends application to vehicles without driver and without manual driving controls. In case of vehicles equipped with an ADS, in any driving mode no special provisions or exemptions apply. Footnotes are amended to reference the Consolidated Resolution on the Construction of Vehicles (R.E.3).