The conditions of service of United Nations staff stem from and are based on the Charter of the United Nations, which provides that the staff shall be appointed by the Secretary-General under regulations established by the General Assembly (Article 101, paragraph 1).
3. 联合国工作人员的服务条件所根据的是《联合国宪章》，其中规定“工作人员由秘书长依大会所定章程委派之“（第一百零一条第一款）。