| LS | Title | From | To | Approval date |
| SG15-LS103 | LS/r on highlights from the second meeting of the Joint Coordination Activity on Quantum Key Distribution Network (JCA-QKDN) (reply to JCA-QKDN-LS2) and to ITU-T SG13 on work progress on Quantum Key Distribution (QKD) network in SG13 (as of November 2023) (reply to SG13-LS136) | SG15 | SG13; JCA-QKDN; | 2023-12-01 |
| SG13-LS136 | LS on work progress on Quantum Key Distribution (QKD) network in SG13 (as of November 2023) | SG13 | ISO/IEC JTC1/SC27; ETSI ISG QKD; ISO/IEC JTC1/AG4; IRTF QIRG; ISO/IEC JTC1/WG14; IETF opsawg WG; SG2; SG11; SG15; SG17; JCA-QKDN; | 2023-11-03 |
| SG11-LS123 | LS/r on highlights from the second meeting of the Joint Coordination Activity on Quantum Key Distribution Network (reply to JCA-QKDN-LS2) | SG11 | JCA-QKDN; | 2023-10-20 |
| JCA-QKDN-LS2 | LS on highlights from the second meeting of the Joint Coordination Activity on Quantum Key Distribution Network (JCA-QKDN) | JCA-QKDN | ISO/IEC JTC1/SC27; IEEE SA; IEC TC 86; ETSI TC CYBER; ETSI ISG QKD; IRTF QIRG; CEN/CENELEC FG QT; ISO/IEC JTC1/WG14; SG11; SG13; SG15; SG17; CEN/CLC/JTC 22; CCSA ST7; IEC SEG 14; QED-C; | 2023-06-08 |
