| LS | Title | From | To | Approval date |
| SG11-LS117 | LS on results of the ITU Survey on the use of ITU-T Recommendations in national conformity assessment frameworks, including type approval | SG11 | ITU-D Q4/2; SG2; SG3; SG5; SG21; SG12; SG13; SG15; SG17; TSAG; SG20; | 2026-03-11 |