Proposal to provide guidance on application of UN R155 to transformed vehicles. Transformations require new approval unless clear evidence shows original approval remains valid. Cyber-relevant modifications include addition of electrical/electronic systems, inappropriate interface connections, and wiring protection modifications. The approval authority determines whether transformation is cyber-relevant by assessing impact on original vehicle architecture, connection risks, cybersecurity management systems, and whether non-automotive equipment complies with relevant regulations. Manufacturers must provide documentary evidence including functional descriptions, connection details, software modifications, and compliance with original manufacturer instructions.
Proposal to amend UN R155 by clarifying its scope to exclude certain equipment. The proposal amends paragraph 5.3.2. to require approval authorities to notify others of assessment methods and criteria. New paragraphs 8.2. and 8.3. establish that vehicle manufacturer installation of equipment with negligible intrinsic cyber security risk, or standard domestic, business or industrial equipment connected only for power, shall not require further assessment under paragraph 7, provided specified criteria are justified. Annex I is amended to include any equipment excluded from assessment pursuant to paragraphs 8.2. and 8.3.
The 20th ADS informal working group session and 17th GRVA Workshop on Automated Driving Systems will meet during 27 April-1 May 2026. The session will address proposals to amend the draft Guidance and Interpretation Document covering definitions, performance of the DDT, scope, application for approval, general requirements, interactions between the ADS and its user(s), safety management systems, post-deployment safety, test environments, and certificate of compliance. Additional agenda items include further development of the GTR and UNR and consideration of next steps and future meetings.
Proposal to amend WP.29-198-09. The proposal modifies paragraph 5.3.2 to specify that visual images are mandatory data elements to be recorded during a triggering event, with a recording interval of minus 7 to plus 7 seconds relative to the triggering event. The EDR/DSSAD-IWG has agreed to set the condition for requirement field to “Mandatory” in the visual image table.
Proposal to amend WP.29-198-07. Paragraph 5.3.2. is amended to specify that the “Condition for requirement” field for visual images in the time-series data table during a triggering event is set to “Mandatory,” with a recording interval of -7 to +7 seconds relative to the triggering event. The EDR/DSSAD-IWG has agreed to this modification to complete the blank field in the original document.
Based on SLR-76-03-Rev1 for R48 and tentatively applying WP.29/2024/76, IMMA presents transitional provisions for UN R53. The document outlines provisions applicable to all amendment series, including that Contracting Parties may grant type-approvals according to any preceding series and shall continue granting extensions of existing approvals. For the 05 series of amendments, specific dates establish when Contracting Parties shall accept or refuse type-approvals, with exceptions for equipment, parts, and unaffected vehicle systems.
This document consolidates inputs from Officers of Principal Interest (OPI) on the Automated Driving Systems (ADS) Guidance and Interpretation Document and organizes content into regulatory text, guidance, comments, and examples to facilitate April-May 2026 Workshop discussions. The document provides interpretation of UN Global Technical Regulation and UN Regulation requirements on ADS, addressing safety performance of the Dynamic Driving Task in nominal, critical, and failure situations; interactions between ADS and users; post-deployment safety monitoring through Safety Performance Indicators; Safety Management System audit criteria; and simulation credibility frameworks for verification and validation, while emphasizing that guidance does not introduce new requirements and that the Regulations remain the sole authoritative texts under 1958 and 1998 Agreements.
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