This amendment was produced to meet the need for the implementation of the International Emergency Preference Scheme (IEPS) for disaster recovery operations as specified in ITU‑T Rec. E.106. It contains the modifications to ITU-T Rec. Q.761 (1999) in order to accommodate these needs. This amendment should be read in conjunction with Amendment 3 to ITU‑T Rec. Q.762, Amendment 4 to ITU‑T Rec. Q.763, and Amendment 4 to ITU-T Rec. Q.764. This amendment incorporates Amendment 2 to ITU-T Rec. Q.761 and provides enhancements.