UNAT considered the Secretary-General’s appeal. UNAT agreed with UNDT’s determination that the actual consideration afforded to Gueben et al. was minimal, inadequate, and not in accordance with the relevant instructions. Moreover, UNAT found that UNDT did not err in its interpretation of the relevant provisions in ruling that the Officer in Charge for Human Resources Management could have converted their fixed-term appointments to permanent ones without a limitation of service. Further UNAT found no merit in the Secretary-General’s argument that UNDT improperly substituted its discretion for...