26 May 2021	Framework document on vehicle whole-life compliance	PTI-19-02/Rev.6	2021-05-26
14 May 2021	Draft updated terms of reference for the PTI informal group	PTI-22-02	2021-05-14
9 Jun 2021	Revised draft proposal for PTI informal group terms of reference	PTI-22-02/Rev.1	2021-06-09
8 Jun 2021	Agenda for the 23rd PTI informal group session	PTI-23-01	2021-06-08
8 Jun 2021	Report on GRPE consideration of PN measurement developments (Netherlands)	PTI-23-02	2021-06-08
8 Oct 2021	Minutes of the 23rd PTI informal group session	PTI-23-03	2021-10-08