The IWG on SCUNV reports on activities from November 2025 to March 2026. The group held one meeting on 5 March 2026 and four Leadership Team meetings. Chapter 9 challenges regarding emissions methods were addressed by proposing acceptance of OBD results as an alternative and removing EURO wording references to ensure a harmonized global approach. The IWG intends to submit the Draft Resolution to WP.29 for approval as a Formal Document at the June 2026 Session, with formal adoption targeted for November 2026.