| LS | Title | From | To | Approval date |
| SG15-LS90 | LS/r on request to update security contacts and to provide information on security-related Recommendations or other texts under development (reply to SG17-LS18) | SG15 | SG17; | 2025-10-24 |
| SG2-LS54 | LS/r on update of security contacts and information on security-related Recommendations or other texts under development (reply to SG17-LS18) | SG2 | SG17; | 2025-09-05 |
| SG5-LS15 | LS/r on request to update security contacts and to provide information on security-related Recommendations or other texts under development (reply to SG17-LS18) | SG5 | SG17; | 2025-06-12 |
| SG17-LS18 | LS on request to update security contacts and to provide information on security-related Recommendations or other texts under development | SG17 | ITU-R SG 5; ITU-R SG 4; ITU-D SG 2; SG2; SG3; SG5; SG21; SG11; SG12; SG13; SG15; TSAG; SG20; | 2025-04-17 |
