| LS | Title | From | To | Approval date |
| SG15-LS55 | LS/r to “establish liaison relationship between WAA and ITU-T Q3/15, information of WAA and Request for reserved Message ID from G.9949” (reply to WAA-LS1) | SG15 | World WLAN Application Alliance (WAA); | 2025-10-24 |
| World WLAN Application Alliance (WAA)-LS1 | LS on establishing liaison relationship between WAA and ITU-T Q3/15, information of WAA and Request for reserved Message ID from G.9949 | World WLAN Application Alliance (WAA) | SG15; | 2025-09-01 |