| LS | Title | From | To | Approval date |
| ETSI ISG QKD-QKD(22)033011 | LS/r on work progress on Quantum-based security in SG17 (reply to SG17-LS36) | ETSI ISG QKD | SG17; | 2022-12-07 |
| SG17-LS36 | LS on work progress on Quantum-based security in SG17 | SG17 | ISO/IEC JTC1/SC27/WG3; ETSI ISG QKD; SG11; SG13; | 2022-09-02 |