Organization Law of the General Staff Headquarters of the Ministry of National Defense Article 7

The name of the offices, the rank and the number of the personnel within the General Staff Headquarters are specified on the Establishment Charts.
中文原文 國防部參謀本部組織法第7條
參謀本部各職稱之官階及員額,另以編組裝備表定之。

English translation for reference only; the Chinese text prevails. Not legal advice.