UNAT considered an appeal by the Secretary-General. UNAT held that resignation results in a break in service, which may, in turn, disqualify a staff member for consideration for a permanent appointment. UNAT held that if a staff member took issue with the requirement for a break in service, he or she should have challenged it at the time by requesting management evaluation. UNAT held that Mr Hajdari never challenged his separation from service from UNMIK or, at any time after his arrival in New York, made any request to human resources to be reinstated at the time. UNAT held that Mr Hajdari’s...