The UN World Forum for the Harmonization of Vehicle Regulations (WP.29) enables governments to cooperate internationally in developing vehicle regulations concerning safety, environmental performance, and energy efficiency.
GlobalAutoRegs is a technical resource for members of the regulatory affairs community interested in this international collaboration.
| UN R155: Proposal to amend the Interpretation Document |
| Reference Number: GRVA-25-32 |
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Proposal to insert new Part C providing guidance on application of UN R155 to transformed vehicles. Part C defines when transformations require new approval, establishes terminology for original vehicle types, transformed vehicle types, transformations, and installations, identifies cyber-relevant transformations by evaluating impact on architecture and connection risks, addresses intrinsic cyber security risks, clarifies non-automotive equipment requirements, and specifies documentary evidence manufacturers must provide to approval authorities or technical services, including functional descriptions, connection details, software modifications, and component lists. |
| Submitted by: |
| Meeting Sessions: 25th GRVA session (18-22 May) |
| Document date: 18 May 26 |
| Relevant to: UN Regulation No. 155 | Cyber Security and Cyber Security Management |
| Click here to view the full document file |
| UN R155: Proposal for amendments |
| Reference Number: GRVA-25-31 |
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Proposal to amend para. 5.3.2. to require approval authorities to notify other approval authorities of methods and criteria used to assess measures taken in accordance with the Regulation, insert new para. 8.2. to exclude equipment with negligible intrinsic cyber security risk from further assessment where installation does not impinge on the cyber security management system and is connected exclusively via an approved interface, insert new para. 8.3. to exclude standard domestic, business or industrial equipment connected only for power from further assessment where the equipment is unmodified and complies with applicable regional and national cyber security requirements, and amend Annex 1 to include any equipment excluded from assessment pursuant to paras. 8.2. and 8.3. |
| Submitted by: |
| Meeting Sessions: 25th GRVA session (18-22 May) |
| Document date: 18 May 26 |
| Document status: Informal GR review |
| Relevant to: UN Regulation No. 155 | Cyber Security and Cyber Security Management |
| Click here to view the full document file |
| Proposal for amendments to UN Regulations Nos. 13, 13-H, 79, 89, 130, 131, 152, 155, 156, 157, 171, 175, and 178 |
| Reference Number: GRVA-25-30 |
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Proposal to insert provisions on software identification and software updates into UN R13, UN R13-H, UN R79, UN R89, UN R130, UN R131, UN R152, UN R155, UN R156, UN R157, UN R171, UN R175, and UN R178 by adding definitions referencing Consolidated Resolution R.E.3 Annex 7, requiring manufacturers to provide Technical Services with information on hardware and software influencing performance, permitting vehicle manufacturers to apply for new approvals differentiating software versions for registered versus new vehicles, clarifying that production discontinuation does not apply when manufacturers seek approval extensions for software updates of registered vehicles, and amending communication forms to include software identification numbers and related information. |
| Meeting Sessions: 25th GRVA session (18-22 May) |
| Document date: 18 May 26 |
| Relevant to: UN Regulation No. 13 | Heavy-Duty Vehicle Braking, UN Regulation No. 13-H | Light-Duty Vehicle Braking, UN Regulation No. 79 | Steering Equipment, UN Regulation No. 89 | Speed Limitation Devices, United Nations Agreement | RE3 Construction of Vehicles, UN Regulation No. 131 | Advanced Emergency Braking Systems, UN Regulation No. 130 | Lane Departure Warning Systems, UN Regulation No. 178 | Emergency Lane-Keeping Systems, UN Regulation No. 155 | Cyber Security and Cyber Security Management, UN Regulation No. 156 | Software Update Processes and Management Systems, UN Regulation No. 152 | Automatic Emergency Braking for M1/N1 vehicles, UN Regulation No. 157 | Automated Lane-Keeping Systems (ALKS), UN Regulation No. 171 | Driver-Control Assistance Systems (DCAS), and UN Regulation No. 175 | Acceleration Control for Pedal Error |
| Click here to view the full document file |
| UN R157: Proposal to amend GRVA/2026/13 |
| Reference Number: GRVA-25-29 |
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Proposal to amend GRVA/2026/13 and the 00 and 01 series of amendments of UN Regulation No. 157, modify the Introduction to remove reference to 60 km/h maximum speed and change “override” to “deactivate”, amend para. 5.1.1. to clarify that the activated system shall be free of unreasonable risks for both vehicle occupants and other road users and shall not cause reasonably foreseeable and preventable collisions, amend para. 10.1.1. to remove reference to foot controls, amend Annex 4 para. 3.5.4. to require manufacturers to report critical incidents to the Type Approval Authority, insert new Annex 4 para. 3.5.4.1. requiring the Type Approval Authority to upload information to DETA within 14 days of receipt, and insert new Annex 7 providing guidance for data exchange via DETA in accordance with para. 3.5.4.1. of Annex 4. |
| Submitted by: UK |
| Meeting Sessions: 25th GRVA session (18-22 May) |
| Document date: 18 May 26 |
| Document status: Formal GR review |
| Relevant to: UN Regulation No. 157 | Automated Lane-Keeping Systems (ALKS) |
| Click here to view the full document file |
| EDR/DSSAD informal group status report to GRVA |
| Reference Number: GRVA-25-28 |
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The IWG on EDR/DSSAD, chaired by the USA, the Netherlands, and Japan, develops proposals for Event Data Recorders and for Data Storage Systems for Automated Driving per ECE/TRANS/WP.29/2019/34. Completed work includes EDR requirements under UN R160 and amendments, EDR for heavy-duty vehicles under UN R169, and DSSAD requirements under UN R157. Current activities include DSSAD guidance document revision and EDR Step 2 and Step 3 development scheduled for March 2027 and November 2028 respectively. The DSSAD Guidance has been transferred to Annex 6 or Annex 8 of the ADS Regulation, with general requirements added to the main body. |
| Submitted by: |
| Meeting Sessions: 25th GRVA session (18-22 May) |
| Document date: 18 May 26 |
| Relevant to: WP.29 Regulatory Project | Data Storage Systems for Automated Driving |
| Click here to view the full document file |
| FADS task force status report to GRVA |
| Reference Number: GRVA-25-27 |
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Task Force FADS status report to GRVA presents final fitness information for GRVA Regulations relevant for automated vehicles. R157 (ALKS), R171 (DCAS), R178 (ELKS), R13, R13-H, R79, R89, R90, R130, R131, R139, R140, and R152 have been amended or are receiving amendments to clarify interactions with ADS features or account for vehicles of categories X and Y. R175, GTR3, and GTR8 require no amendments or formal amendment sponsorship. GRVA proposals for 13 working documents are expected at the 199th WP.29 session in June 2026, including WP.29/2026/85, WP.29/2026/86, WP.29/2026/87, WP.29/2026/79, WP.29/2026/80, WP.29/2026/81, WP.29/2026/82, WP.29/2026/83, WP.29/2026/168, and WP.29/2026/84. Task Force FADS mandate will conclude at the end of June 2026. |
| Submitted by: |
| Meeting Sessions: 25th GRVA session (18-22 May) |
| Document date: 18 May 26 |
| Relevant to: WP.29 Regulatory Project | Review of Regulations for Applicability to ADS Vehicles |
| Click here to view the full document file |
| ADS informal group status report to GRVA |
| Reference Number: GRVA-25-26 |
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The ADS informal working group status report to GRVA documents progress since the 24th GRVA session in January 2026. The group accepted proposals to make minor amendments to GTR and UNR, and accepted proposals to amend GTR and UNR to introduce DSSAD provisions. Working documents WP.29/2026/139 (GTR) and WP.29/2026/137 (UNR) were submitted for WP.29’s 199th session. For the 25th GRVA session, GRVA-25-21 and GRVA-25-22 were submitted as informal documents to amend WP.29/2026/137 and WP.29/2026/139. GRVA seeks a 3-year extension of the IWG-ADS mandate, with revised Terms of Reference to be prepared for GRVA-26 in September 2026. |
| Submitted by: |
| Meeting Sessions: 25th GRVA session (18-22 May) |
| Document date: 18 May 26 |
| Relevant to: WP.29 Regulatory Project | Automated Driving Systems and WP.29 Regulatory Project | Data Storage Systems for Automated Driving |
| Click here to view the full document file |
| DETA/IWVTA Workshop: Agenda for the 1st (June 2026) session |
| Reference Number: DETA-IWVTA-WS-01-01 |
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The 1st DETA/IWVTA Joint Workshop is scheduled for June 17, 2026, 9:30–12:30 (CEST) as a hybrid meeting in Flensburg. The provisional agenda includes opening remarks from the DETA Chair, IWVTA Chair, and President of KBA. Part 1 covers DETA topics: what DETA is, a demonstration, ASEAN countries’ expectations, and ways to make DETA more attractive. Part 2 covers IWVTA topics: what IWVTA is, industry’s expectations, issuance and acceptance of IWVTA certificates in the EU, and ways to make IWVTA more attractive. The workshop concludes with any other business. |
| Meeting Sessions: 1st DETA-IWVTA-WS session (17 Jun) |
| Document date: 18 May 26 |
| Relevant to: UN Regulation No. 0 | International Whole Vehicle Type Approval System (IWVTA) and WP.29 Discussion Topic | Database for the Exchange of Type Approval Documentation |
| Click here to view the full document file |