| LS | Title | From | To | Approval date |
| SG15-LS82 | LS/r to TSAG on the establishment of Joint Correspondence Groups (reply to TSAG-LS11 and TSAG-LS12) | SG15 | TSAG; | 2025-10-24 |
| SG20-LS103 | LS/r on the establishment of the Joint Correspondence Group on IoT Security (JCG-IoTSec) (reply to TSAG-LS11) | SG20 | SG17; TSAG; | 2025-09-25 |
| TSAG-LS11 | LS on the establishment of the Joint Correspondence Group on IoT Security (JCG-IoTSec) | TSAG | SG17; SG20; SG2; SG3; SG5; SG21; SG11; SG12; SG13; SG15; | 2025-05-30 |
| TSAG-LS12 | LS on the establishment of the Joint Correspondence Group on Trust (Joint-CG-Trust) | TSAG | SG13; SG17; SG20; SG2; SG3; SG5; SG21; SG11; SG12; SG15; | 2025-05-30 |
