UN Rule No. 1
Uniform provisions for periodical technical inspections of wheeled vehicles with regard to the protection of the environment
1 Apr PTI informal group: 2025-26 work plan proposal (Russia) PTI-38-03 2025-04-01
4 Sep Periodical Technical Inspections: Agenda for the 40th (September 2025) session PTI-40-01 2025-09-04
30 Oct NOx Measurements during PTI and RSI of Diesel Wehicles (JRC) PTI-41-02 2025-10-30
20 Jun Periodical Technical Inspections informal group report to WP.29 WP.29-196-12 2025-06-20