UNAT held that as allegations of improper motive, bias, or prejudice as reasons for the unlawfulness of the non-renewal were not raised before UNDT for its consideration, UNAT should not consider them. UNAT held that the exceptional circumstances that were required to allow additional pleadings to be considered, were not present. UNAT held that UNDT erred in finding that the Organisation properly exercised its discretion in not renewing the Appellant鈥檚 fixed-term appointment. UNAT held that, in situations of a staff member being declared persona non grata by a host country, it was the duty of...