GRVA/2026/27
Proposal for amendments to UN Regulations Nos. 13, 13-H, 79, 89, 130, 131, 152, 155, 156, 157, 171, 175, and 178

Proposal to insert provisions on Software Identification Numbers and software updates across UN R13, R13-H, R79, R89, R130, R131, R152, R155, R156, R157, R171, R175, and R178 by adding definitions referencing Consolidated Resolution R.E.3 Annex 7 paragraph 2, requiring manufacturers to provide Technical Services with information on hardware and software influencing performance with test reports, permitting vehicle manufacturers to apply for new approvals differentiating software versions for registered vehicles from new vehicles where type approval regulations are updated or hardware changes occur in series production with test duplication avoided where possible, clarifying that production is not considered definitively discontinued if manufacturers obtain subsequent extensions for software updates of registered vehicles, renumbering and inserting new items in approval communication annexes for R13SWIN, R13-HSWIN, R79SWIN, R89SWIN, R130SWIN, R131SWIN, R152SWIN, R155SWIN, R157SWIN, R171SWIN, R175SWIN, and R178SWIN information including whether held on vehicle and relevant parameter identification lists, and amending R157 and R171 to align software update requirements with R156 technical specifications and transitional provisions.

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Excerpts from session reports
GRVA | Session 26 | 14-18 Sep

36. The representative of the United Kingdom of Great Britain and Northern Ireland introduced the status report of the IWG on Cyber Security and Software Updates (CS/OTA) (GRVA-26-18), outlining the group’s current activities: (a) the review of proposals to amend UN Regulation No. 155 and its interpretation document with respect to multi-stage vehicles; (b) the review of proposals concerning approval-authority arrangements; © the consideration of proposals for separate technical services and component approvals under UN Regulation No. 155; and (d) discussions on the integration of software identification and software-update provisions across several UN Regulations, as outlined in Consolidated Resolution R.E.3.

37. He introduced document ECE/TRANS/WP.29/GRVA/2026/27, which proposes amendments to all relevant UN Regulations under the purview of GRVA to introduce provisions on software identification and software updates, as well as informal document GRVA-26-11 containing amendments to the official document. GRVA requested the secretariat to distribute GRVA-26-11 with an official symbol at the twenty-seventh GRVA session.

38. GRVA reviewed document ECE/TRANS/WP.29/GRVA/2026/28, intended to clarify the scope of UN Regulation No. 155, and adopted it. GRVA requested the secretariat to submit it as draft Supplement 4 to UN Regulation No. 155 to WP.29 and AC.1 for consideration and vote at their March 2027 sessions.

39. GRVA reviewed the corresponding amendment to the interpretation document of UN Regulation No. 155 proposed in document ECE/TRANS/WP.29/GRVA/2026/29, as amended by GRVA-26-12. Following discussion, GRVA adopted GRVA-26-36/Rev.1 as an amendment to Part C of the interpretation document of UN Regulation No. 155 and requested the secretariat to submit it to WP.29 for adoption at its March 2027 session.