| LS | Title | From | To | Approval date |
| SG13-LS103 | LS/r reply on hot topics (reply to TSAG-LS17) | SG13 | TSAG; | 2019-03-14 |
| TSAG-LS17 | LS/r on creation of new Questions 5/16 (Artificial intelligence-enabled multimedia applications) and 22/16 (Distributed ledger technologies and e-services) (SG16-LS111) | TSAG | SG16; SG2; SG3; SG5; SG9; SG11; SG12; SG13; SG15; SG17; SG20; | 2018-12-14 |
| SG16-LS111 | LS on creation of new Questions 5/16 (Artificial intelligence-enabled multimedia applications) and 22/16 (Distributed ledger technologies and e-services) [to TSAG; all ITU-T SGs] | SG16 | TSAG; SG2; SG3; SG5; SG9; SG11; SG12; SG13; SG15; SG17; SG20; | 2018-08-20 |
