41. Decides that a vacancy rate of 6.5 per cent for Professional staff, 3.5 per cent for General Service staff and 27.2 per cent for field security staff shall be used as a basis for the calculation of the budget for the biennium 2008-2009;
41. 决定在计算2008-2009两年期预算时采用的空缺率，专业人员应为6.5％，一般事务人员应为3.5％，外勤安保人员应为27.2％；