| LS | Title | From | To | Approval date |
| SG13-LS187 | LS on work progress on Quantum Key Distribution (QKD) network in SG13 (as of February 2026) | SG13 | ISO/IEC JTC1/SC27; ETSI ISG QKD; IRTF QIRG; IETF opsawg; JCA-QKDN; ISO/IEC JTC3; SG2; SG11; SG15; SG17; | 2026-02-27 |