20 January 2022 Minutes of the 25th PTI informal group session PTI-25-08	PTI-25-08	2022-01-20
15 February 2022 Agenda for the 26th PTI informal group session PTI-26-01/Rev.1	PTI-26-01/Rev.1	2022-02-15
17 March 2022 Minutes of the 26th PTI informal group session PTI-26-06	PTI-26-06	2022-03-17
15 February 2022 RE6: Proposal to introduce particle number emissions test for diesel vehicles with a wall flow filter (Netherlands) PTI-26-05	PTI-26-05	2022-02-15
14 February 2022 Draft text on uniform provisions for periodical technical inspections of accident emergency call systems PTI-26-04	PTI-26-04	2022-02-14
14 February 2022 DETA Database Unique Identifier PTI-26-02	PTI-26-02	2022-02-14
14 February 2022 Comments on PTI for emergency call systems (OICA) PTI-26-03	PTI-26-03	2022-02-14
25 April 2022 Agenda for the 27th PTI informal group session PTI-27-01/Rev.1	PTI-27-01/Rev.1	2022-04-25
28 June 2022 Agenda for the 28th PTI informal group session PTI-28-01	PTI-28-01	2022-06-28
12 July 2022 Emissions anti-tampering: Draft terms of reference for a new PTI task force PTI-28-02	PTI-28-02	2022-07-12
31 May 2022 Minutes of the 27th PTI informal group session PTI-27-04	PTI-27-04	2022-05-31
13 July 2022 RE6: Proposal to add a particle number (PN) test for diesel cars GRPE-86-xx	GRPE-86-xx	2022-07-13
12 July 2022 DETA: Overview of the Database for the Exchange of Type Approval documentation PTI-28-03	PTI-28-03	2022-07-12
25 April 2022 Emissions anti-tampering: Draft terms of reference for a new task force PTI-27-02	PTI-27-02	2022-04-25
26 April 2022 Vehicle emissions PTI: Developments in the Netherlands (Netherlands) PTI-27-03	PTI-27-03	2022-04-26
25 April 2022 RE6: Proposal for a particle number (PN) test on diesel cars GRPE-86-xx	GRPE-86-xx	2022-04-25
7 September 2022 Minutes of the 27th PTI informal group session PTI-28-04	PTI-28-04	2022-09-07