The Department projects its need for competitive examinations on the basis of known upcoming retirements, a factor for unexpected staff movements and the status of existing rosters from previous examinations, for all four duty stations.
72. 大会部根据所有四个工作地点已知的近期退休情况、工作人员意外流动系数和以往考试的在册人员状况来预测举行竞争性考试的需要。