The various letters of appointment that the applicant had received in the past contained a provision of non-expectancy of renewal. The applicant’s main contention was that the non-renewal of his fixed-term appointment was an act of retaliation because he reported some allegations of financial fraud. The respondent’s primary submission is that the non-renewal of the applicant’s fixed-term appointment was based on unsatisfactory performance as evidenced in some PAS reports, which had later been upheld by a rebuttal panel. UNDT found that the decision not to renew his fixed-term appointment was...