| LS | Title | From | To | Approval date |
| SG3-LS41 | LS/r on stale work items and SG Reports on lead study group activities (reply to TSAG - LS 6) | SG3 | TSAG; | 2018-04-18 |
| SG2-LS58 | LS/r on dormant work items (reply to TSAG-LS6) | SG2 | TSAG; | 2017-12-01 |
| SG11-LS25 | LS/r on stale work items and SG Reports on lead study group activities (reply to TSAG-LS006) | SG11 | TSAG; | 2017-11-17 |
| SG20-LS68 | LS/r on stale work items and SG Reports on lead study group activities (reply to TSAG LS6) | SG20 | TSAG; | 2017-09-25 |
| SG9-LS26 | LS/r on stale work items and SG Reports on lead study group activities (TSAG-LS6) [to ITU-T TSAG] | SG9 | TSAG; | 2017-05-31 |
| SG5-LS14 | LS/r on stale work items and SG Reports on lead study group activities (reply to TSAG - LS 6 -E) | SG5 | SG2; SG3; SG9; SG11; SG12; SG13; SG15; SG16; SG17; TSAG; SG20; | 2017-05-24 |
| TSAG-LS6 | LS on stale work items and SG Reports on lead study group activities [to all ITU-T SGs] | TSAG | SG2; SG3; SG5; SG9; SG11; SG12; SG13; SG15; SG16; SG17; SG20; | 2017-05-04 |