3 February 2021 Minutes of the 17th PTI informal group session PTI-17-10	PTI-17-10	2021-02-03
4 February 2021 Agenda for the 19th PTI informal group session PTI-19-01	PTI-19-01	2021-02-04
4 February 2021 PTI: Proposal for a framework document on in-service compliance, including automated/autonomous vehicles and their components (Russia) PTI-19-02	PTI-19-02	2021-02-04
4 February 2021 1958 Agreement: Proposal for amendment concerning obligations of market surveillance authorities (Russia) PTI-19-03	PTI-19-03	2021-02-04
4 February 2021 Comments on proposal for PTI framework for automated vehicles (OICA) PTI-19-04	PTI-19-04	2021-02-04
23 February 2021 Minutes of the 19th PTI informal group session PTI-19-05	PTI-19-05	2021-02-23
1 March 2021 Agenda for the 20th PTI informal group session PTI-20-01	PTI-20-01	2021-03-01
1 March 2021 UN Rule No. 1: Proposal for particle number measurement PTI-20-02	PTI-20-02	2021-03-01
1 March 2021 UN Rule No. 1: Recommendations for particle number measurement (Netherlands) PTI-20-03	PTI-20-03	2021-03-01
1 March 2021 Comments on the draft PTI AV framework document (FSD) PTI-20-04	PTI-20-04	2021-03-01
1 March 2021 Comments on in-service compliance and vehicle maintenance (OICA) PTI-20-05	PTI-20-05	2021-03-01
6 March 2021 Minutes of the 20th PTI informal group session PTI-20-06	PTI-20-06	2021-03-06
20 April 2021 Agenda for the 21st PTI informal group session PTI-21-01	PTI-21-01	2021-04-20
22 April 2021 Framework document on vehicle whole-life compliance PTI-19-02/Rev.4	PTI-19-02/Rev.4	2021-04-22
22 April 2021 Ensuring life time performance of Advanced Driver Assistant Systems: Risk Analysis of Lane Keeping Assistant Systems (TÜV Rheinland) PTI-21-02	PTI-21-02	2021-04-22
13 May 2021 Minutes of the 21st PTI informal group session PTI-21-03	PTI-21-03	2021-05-13
13 May 2021 Framework document on vehicle whole-life compliance PTI-19-02/Rev.5	PTI-19-02/Rev.5	2021-05-13
13 May 2021 Agenda for the 22nd PTI informal group session PTI-22-01	PTI-22-01	2021-05-13
14 May 2021 Draft updated terms of reference for the PTI informal group PTI-22-02	PTI-22-02	2021-05-14
17 May 2021 UN Rule 1: Recommendation on particulate number measurement PTI-22-03	PTI-22-03	2021-05-17
17 May 2021 RE6: Proposal to introduce particulate number measurements PTI-22-04	PTI-22-04	2021-05-17
26 May 2021 Framework document on vehicle whole-life compliance PTI-19-02/Rev.6	PTI-19-02/Rev.6	2021-05-26
26 May 2021 Report of the 22nd PTI informal group session PTI-22-06	PTI-22-06	2021-05-26
9 June 2021 Revised draft proposal for PTI informal group terms of reference PTI-22-02/Rev.1	PTI-22-02/Rev.1	2021-06-09
8 June 2021 Report on GRPE consideration of PN measurement developments (Netherlands) PTI-23-02	PTI-23-02	2021-06-08
8 June 2021 Agenda for the 23rd PTI informal group session PTI-23-01	PTI-23-01	2021-06-08
13 October 2021 Agenda for the 24th PTI informal group session PTI-24-01/Rev.1	PTI-24-01/Rev.1	2021-10-13
8 October 2021 Minutes of the 23rd PTI informal group session PTI-23-03	PTI-23-03	2021-10-08
12 October 2021 Draft text for a new Resolution on a Particle Number Emission Test for Periodic Technical Inspections PTI-24-02	PTI-24-02	2021-10-12
13 October 2021 Urea Emulator Emission Tampering (CITA and IDIADA) PTI-24-03	PTI-24-03	2021-10-13
14 October 2021 Input on revision of the PTI Roadworthiness Package (Sweden) PTI-24-04	PTI-24-04	2021-10-14
14 October 2021 Illustration (photo) of exhaust pipe design incompatibility PTI-24-05	PTI-24-05	2021-10-14
19 October 2021 Minutes of the 24th PTI informal group session PTI-24-06	PTI-24-06	2021-10-19
3 December 2021 RE6: Revisions to periodical technical inspection procedures PTI-25-01/Rev.1	PTI-25-01/Rev.1	2021-12-03
10 December 2021 Proposal for new UN Rule on periodical inspections for accident emergency call systems (Russia) PTI-25-03	PTI-25-03	2021-12-10
3 December 2021 Agenda for the 25th PTI informal group session PTI-25-02	PTI-25-02	2021-12-03
15 December 2021 The Danish effort toward Efficient control of Vehicles SCR Systems (Denmark) PTI-25-07	PTI-25-07	2021-12-15
15 December 2021 Mileage registration in the Netherlands (RDW) PTI-25-06	PTI-25-06	2021-12-15
15 December 2021 Approval data for periodical technical inspections (CITA) PTI-25-04	PTI-25-04	2021-12-15
15 December 2021 Odometer fraud and Belgium's Car-Pass system (Car-Pass) PTI-25-05	PTI-25-05	2021-12-15