| LS | Title | From | To | Approval date |
| SG3-LS100 | LS/r on requesting all ITU-T Study Groups to provide an update on Recommendations related to WTSA-16 Resolution 73 (Rev. Hammamet, 2016) (reply to TSAG-LS45) | SG3 | TSAG; | 2021-12-17 |
| SG15-LS356 | LS/r to TSAG on requesting all ITU-T study groups to provide an update on Recommendations related to WTSA-16 Resolution 73 (Rev. Hammamet, 2016) (reply to TSAG-LS45) | SG15 | TSAG; | 2021-12-17 |
| SG13-LS240 | LS/r on request to provide an update on Recommendations related to WTSA-16 Resolution 73 (reply to TSAG-LS45] | SG13 | TSAG; | 2021-12-10 |
| SG11-LS222 | LS/r on requesting all ITU-T study groups to provide an update on Recommendations related to WTSA-16 Resolution 73 (Rev. Hammamet, 2016) (TSAG-LS45) | SG11 | TSAG; | 2021-12-10 |
| SG5-LS230 | LS/r on requesting all ITU-T study groups to provide an update on Recommendations related to WTSA-16 Resolution 73 (Rev. Hammamet, 2016) (reply to TSAG-LS45) | SG5 | TSAG; | 2021-12-10 |
| SG20-LS251 | LS/r on requesting all ITU-T study groups to provide an update on Recommendations related to WTSA-16 Resolution 73 (Rev. Hammamet, 2016) (reply to TSAG-LS45) | SG20 | TSAG; | 2021-11-25 |
| SG2-LS227 | LS/r on requesting all ITU-T study groups to provide an update on Recommendations related to WTSA-16 Resolution 73 (Rev. Hammamet, 2016) (reply to TSAG-LS45) | SG2 | TSAG; | 2021-11-19 |
| TSAG-LS45 | LS on requesting all ITU-T study groups to provide an update on Recommendations related to WTSA-16 Resolution 73 (Rev. Hammamet, 2016) | TSAG | SG2; SG3; SG5; SG9; SG11; SG12; SG13; SG15; SG16; SG17; SG20; | 2021-10-29 |