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.
Proposal to introduce more stringent requirements for rear underrun protection devices.
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