Technical expertise is found primarily at the lower levels, among the protected civil service employees, and the expertise needed to decide a particular case may be spread among several bureaus or divisions within the agency.

• 较低层次的官员（如受保障的文职雇员）须具有技术专长，此外，一个机关里的若干局或处室的工作人员亦须具有决定某种案件的专业特长。