List of action items from the 22nd (4th under the old numbering) meeting of the Informal Working Group on Advanced Emergency Braking System held in Tokyo, Japan. Ten action items assigned, including:

• Investigating lost footnotes in paragraphs 2.13. and 6.1.1.1.,
• Ensuring consistent spelling of ‘daytime’/‘nighttime’ in document AEBS-22-08,
• Explaining ambient illumination requirements of at least 15 lux in para. 5.2.4.4. (d),
• Preparing justification for testing only adult dummies at nighttime,
• Preparing lamp test setup diagrams,
• Checking and proposing definitions for revised paragraphs aligned with UN R48,
• Clarifying scenario optionality and modularity,
• Providing error bar formulas,
• Conducting testing on pedestrian detection with high reflective clothing.

Software identification and updates for vehicles no longer in production. UN R156 series 01 introduces mandatory RXSWIN for software updates after registration. RE3 Annex 7, UN R157, UN R171, and UN R185 define type approval rules post-production. Manufacturers may apply for new approvals to differentiate software for registered vehicles from new vehicles, covering type approval regulation updates or hardware changes. Duplication of tests shall be avoided where possible. National Type dates need not be respected for new approvals under the 1958 Agreement.

Provisional agenda for the 52nd session of the IWVTA Informal Group scheduled for November 12, 2026 in Paris. The session will address election of a new Chair, adoption of the agenda and 51st session report, highlights from the 199th WP.29 session, amendments to UN R0 series, contradiction between transitional provisions in UN R22 and Revision 3 of the 1958 Agreement, proposed amendments to Guidelines on Transitional Provisions, IWVTA awareness and promotion, extension of mandates, and DETA scheme implementation.

Proposal to amend the Guidelines on Transitional Provisions by applying footnote 6 to V.3 as well as V.8, replacing the added as well language in footnotes 4 to 6 with used instead of, deleting also from footnotes 4 and 5, adding Notwithstanding paragraph V.4 before Contracting Parties applying in footnotes 4 and 5, and using continue to only for the V.8 case in footnote 6 to align terminology, clarify scope, and remove overlaps between main text and footnote wording.