13 Jul 2022	RE6: Proposal to add a particle number (PN) test for diesel cars	GRPE-86-xx	2022-07-13
28 Jun 2022	Agenda for the 28th PTI informal group session	PTI-28-01	2022-06-28
12 Jul 2022	Emissions anti-tampering: Draft terms of reference for a new PTI task force	PTI-28-02	2022-07-12
12 Jul 2022	DETA: Overview of the Database for the Exchange of Type Approval documentation	PTI-28-03	2022-07-12
7 Sep 2022	Minutes of the 27th PTI informal group session	PTI-28-04	2022-09-07