Proposal to amend Appendix 1 to Annex 1 to insert heading “Annex 1 – Appendix 1” and amend the model of declaration of compliance for Software Update Management System Manufacturers to reference paragraph 7.1 of UN Regulation No. 156, and amend Annex 4 to insert headings “CERTIFICATE OF COMPLIANCE FOR” and “SOFTWARE UPDATE MANAGEMENT SYSTEM” in the model of Certificate of Compliance for Software Update Management System with the 01 series of amendments to Regulation No. 156.

Proposal for amendments to working document GRSG/2025/51, This proposal is aimed at allowing the certification for peculiar vehicle architectures (e.g.
high-performance vehicles), where generally the “R” point of the driver seat is not more than 450 mm from ground level. High-performance vehicles have peculiar characteristics. For instance, in order to reduce the aerodynamic drag the frontal surface is reduced. This leads to specific architectural solutions such as thinner and very tilted “A” pillar, smaller field of view, low volume cabin compartment, compared to mass-market vehicles. As a consequence, for high performance vehicles:

Proposal for amendments to the working documents ECE/TRANS/WP.29/GRSG/2025/51

Proposal for amendments to the working documents ECE/TRANS/WP.29/GRSG/2025/50

Information on the Five-Year Review to determine
currency in accordance with SAE Technical Report Development Process