| LS | Title | From | To | Approval date |
| SG13-LS147 | LS/r on draft analysis of operational parts (resolves, instructs etc) of WTSA/PP/WTDC Resolutions (TSAG-LS5) | SG13 | TSAG; | 2023-11-03 |
| SG5-LS80 | LS/r on SG5 WTSA-24 preparations (reply to TSAG-LS18 and to TSAG-LS5) | SG5 | TSAG; | 2023-06-23 |
| TSAG-LS18 | LS on status of the implementation of the action plan for analysis of ITU-T structural alternatives [to all ITU-T study groups] | TSAG | SG2; SG3; SG5; SG9; SG11; SG12; SG13; SG15; SG16; SG17; SG20; | 2023-06-02 |
| SG11-LS69 | LS/r on a progress report on the analysis of ITU-T study group restructuring (TSAG-LS5) [to TSAG and ITU-T SGs] | SG11 | SG2; SG3; SG5; SG9; SG12; SG13; SG15; SG16; SG17; TSAG; SG20; | 2023-05-19 |
| SG20-LS60 | LS/r on a progress report on the analysis of ITU-T study group restructuring (reply to TSAG-LS5) | SG20 | TSAG; | 2023-02-10 |
| TSAG-LS5 | LS on a progress report on the analysis of ITU-T study group restructuring [to all ITU-T study groups] | TSAG | SG2; SG3; SG5; SG9; SG11; SG12; SG13; SG15; SG16; SG17; SG20; | 2022-12-16 |
