| 7-11 Jan 2019 | GRPE | Session 78 |
| 8-9 Jan 2019 | EPPR | Session 26 |
| 19-22 Feb 2019 | EPPR | Session 27 |
| 11-15 Mar 2019 | WP.29 | Session 177 |
| 26-29 Mar 2019 | EPPR | Session 28 |
| 21-22 May 2019 | EPPR | Session 29 |
| 21-24 May 2019 | GRPE | Session 79 |
| 24-28 Jun 2019 | WP.29 | Session 178 |
| 3 Jul 2019 | OBD2CG | Session 13 |
| 20 Sep 2019 | EPPR | Session 30 |
| 15-18 Oct 2019 | EPPR | Session 31 |
| 15-18 Oct 2019 | DUR | Session 1 |
| 12-14 Nov 2019 | WP.29 | Session 179 |
| 4 Dec 2019 | EPPR | Session 32 |