Session report of WP.29 (World Forum for Harmonization of Vehicle Regulations), its Administrative Committee of the 1958 Agreement (AC.1), Executive Committee of the 1998 Agreement (AC.3), and Administrative Committee of the 1997 Agreement (AC.4) held 23-26 June 2026 in Geneva. AC.1 voted on 92 amendments to existing UN Regulations, one corrigendum to UN Regulation No. 79, and three new UN Regulations (Nos. 184-186) on liquid hydrogen vehicle safety, automated driving systems, and tyre abrasion performance. AC.3 established UN GTR on automated driving systems and adopted corrigendum to UN GTR No. 9 and Amendment 2 to UN GTR No. 13. WP.29 extended mandates of several informal working groups and noted accession of Mongolia and Armenia to the 1958 and 1997 Agreements respectively.

Proposal to amend UN Regulation No. 167:

• Amend para. 0.10. through 0.10.2. to introduce scope for vehicles of categories X and Y
• Amend para. 1.1. to add footnote 1 defining vehicle categories
• Insert new para. 1.3. excluding category Y and category X vehicles without manual on-board operation
• Amend paras. 2.13. to 2.15. to reference Addendum 6 of Mutual Resolution No. 1 (M.R.1) and renumber footnotes
• Insert new para. 2.31. defining “Safety Concept”
• Amend para. 4.5. to revise approval mark requirements and renumber footnotes
• Insert new para. 5.1.3. permitting alternative requirements for category X vehicles with manual on-board operation
• Amend Annex 3 to revise approval mark arrangements

Proposal to insert new paragraphs 0.11. to 0.11.2. to introduce Supplement 1 to the 01 series of amendments taking into account vehicles of categories X and Y, amend paragraph 1.1. to apply to vehicles of categories M₂, M₃, N₂ and N₃, insert new footnote 1 and new paragraph 1.3., amend paragraphs 2.13. to 2.15. with references to Addendum 6 of Mutual Resolution No. 1 (M.R.1), renumber footnote 1 as footnote 2 in paragraphs 2.13. to 2.15., insert new paragraph 2.31. defining “Safety Concept”, amend paragraph 4.5. and renumber its footnote 2 as footnote 3, insert new paragraph 5.1.3. concerning vehicles of category X with manual mode, and amend Annex 3.

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.

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 address Automated Driving Systems (ADS), exempting category Y vehicles and category X vehicles without a manual on-board mode from the regulation’s scope, while requiring ADS-equipped vehicles to comply when operated manually. Additional amendments update references to the three-dimensional H-point machine per Mutual Resolution No. 1, and revise approval marking provisions to remove the Unique Identifier option.

Proposal to exempt vehicles of subcategories X and Y (ADS vehicles) from the requirements on UN R167 and to delete the provisions for Unique Identifier markings.