| LS | Title | From | To | Approval date |
| SG15-LS120 | LS/r on new work items for the integration of QKDN and other networks (reply to SG13-LS138 and SG13-LS211) | SG15 | SG13; SG17; | 2026-07-10 |
| SG13-LS211 | LS on initiation of new work item ITU-T YSTR.QKDN-UN “Integration modes of QKDN and user networks” | SG13 | SG11; SG15; SG17; | 2026-07-02 |
| SG13-LS138 | LS on initiation of new work item ITU-T Y.QKDN-OTN-fr “Framework for integration of quantum key distribution network and optical transport network” | SG13 | SG15; SG17; | 2025-11-06 |