| WP.29-177-10 | Draft report of the 34th DETA informal group session | |
| WP.29-177-11 | Report of the DETA informal group to the March 2019 WP.29 session | |
| WP.29-177-12 | DETA official start and application: Drafting WP.29 decisions | |
| WP.29-177-11 | Report of the DETA informal group to the March 2019 WP.29 session |