13 Oct 2021	Agenda for the 24th PTI informal group session	PTI-24-01/Rev.1	2021-10-13
12 Oct 2021	Draft text for a new Resolution on a Particle Number Emission Test for Periodic Technical Inspections	PTI-24-02	2021-10-12
13 Oct 2021	Urea Emulator Emission Tampering (CITA and IDIADA)	PTI-24-03	2021-10-13
14 Oct 2021	Input on revision of the PTI Roadworthiness Package (Sweden)	PTI-24-04	2021-10-14
14 Oct 2021	Illustration (photo) of exhaust pipe design incompatibility	PTI-24-05	2021-10-14
19 Oct 2021	Minutes of the 24th PTI informal group session	PTI-24-06	2021-10-19