Document presents initial considerations for approving Automated Driving Systems as Separate Technical Units under UN R185. It explains how component and STU approvals divide responsibility between suppliers and vehicle manufacturers, provides examples from other regulations such as lighting, tyres, glazing, and fuel systems, and discusses potential benefits and challenges specific to UN R185 application. Benefits include independent audits and avoiding repeated assessments for different vehicle types. Challenges include difficulty splitting requirements, potential information withholding, and unclear legal responsibility. Proposes flexible approaches with shared Safety Management System requirements and validation in vehicles.

Proposal to amend paragraph 5.10 of the Russian version to clarify provisions on the protection of the tank according to collision references for tank integrity, aligning the Russian version with the English and French versions.

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 insert new paragraphs 0. and 0.1. to 0.1.2. addressing vehicles of categories X and Y and vehicles with manual mode operating at speeds above 6 km/h equipped with an ADS, amend paragraph 1., footnote 1 to reference ECE/TRANS/WP.29/78/Rev.8, amend paragraph 3., footnote 2 to reference ECE/TRANS/WP.29/78/Rev.8, Annex 3, amend para. 4.3. to define “Occupant compartment”, and amend paras. 5.5. to 5.8. to specify tank placement, partition requirements, fuel leakage prevention, and filler hole location.