This Amendment aligns Recommendation Y.3802 with Recommendation Y.3810 “Quantum key distribution network interworking – framework”, Figure 2, of which describes a reference model with reference point of Mx. Mx is responsible for the QKDN manager to communicate management information with other QKDN manager. This amendment intends the following: - to add a reference point of Mx in clause 8.4 Reference points on a QKDN manager; - to revise Figure 1 – A functional architecture model of QKDN in clause 6 Functional architecture model to include the Mx reference point and an editorial correction on key