6 January 2022 Supporting information on Urea emulators and emissions tampering (CITA) GRPE-85-31	GRPE-85-31	2022-01-06
11 January 2022 PTI: Presentation on Framework Document on Vehicle Whole-Life Compliance (CITA) GRPE-85-40	GRPE-85-40	2022-01-11
20 January 2022 Minutes of the 25th PTI informal group session PTI-25-08	PTI-25-08	2022-01-20
10 March 2022 Periodical Technical Inspections informal group status report WP.29-186-16/Rev.1	WP.29-186-16/Rev.1	2022-03-10
15 February 2022 Agenda for the 26th PTI informal group session PTI-26-01/Rev.1	PTI-26-01/Rev.1	2022-02-15
18 March 2022 Presentation of the proposal for a Framework Document on Vehicle Whole-Life Compliance GRSG-123-07	GRSG-123-07	2022-03-18
1 April 2022 Proposal for a Framework Document on Vehicle Whole-Life Compliance GRE-86-04	GRE-86-04	2022-04-01
28 June 2022 Agenda for the 28th PTI informal group session PTI-28-01	PTI-28-01	2022-06-28
31 May 2022 Minutes of the 27th PTI informal group session PTI-27-04	PTI-27-04	2022-05-31
15 June 2022 GRPE proposals to amend document document WP.29/2021/148 WP.29-187-09	WP.29-187-09	2022-06-15
17 June 2022 Report on results from the 27th PTI informal group session WP.29-187-21	WP.29-187-21	2022-06-17
20 June 2022 Proposal for a Framework Document on Vehicle Whole-Life Compliance (updated) WP.29-187-22	WP.29-187-22	2022-06-20
23 May 2022 Particulate Number PTI in Switzerland (Switzerland) GRPE-86-05	GRPE-86-05	2022-05-23
1 September 2022 Framework Document on Vehicle Whole-Life Compliance WP.29/2022/145	WP.29/2022/145	2022-09-01
11 November 2022 PTI informal group report to WP.29 WP.29-188-17	WP.29-188-17	2022-11-11
16 November 2022 Amendment and comments to the “Framework document on vehicle whole-life compliance” (CLEPA) WP.29-188-24/Rev.1	WP.29-188-24/Rev.1	2022-11-16
7 September 2022 Minutes of the 27th PTI informal group session PTI-28-04	PTI-28-04	2022-09-07