| LS | Title | From | To | Approval date |
| COM 2 - LS 20 | oLS- reply to COM 16 – LS 320 on disaster versus emergency | SG2 | SG16; | 2013-01-31 |
| COM 16 - LS 11 | Reply LS to ITU-T FG-DR&NRR on confirmation of definitions, terminology and classification regarding to disasters (FG-DR&NRR-LS 8) | SG16 | FG-DR&NRR; | 2013-01-25 |
| FG-DR&NRR - LS 8 | Liaison answer on “confirmation of definitions, terminology and classification regarding to disasters” | FG-DR&NRR | SG16; | 2012-12-13 |
| COM 16 - LS 320 | LS to ITU-T SG 2, FG-DR&NRR on confirmation of definitions, terminology and classification regarding to disasters | SG16 | SG2; FG-DR&NRR; | 2012-09-28 |