Organization Regulations of the Navy Command Headquarters of the Ministry of National Defense Article 5

In the HQs, there are a chief with the rank of admiral ; two vice chiefs and a chief of staff with the rank of vice admiral.
中文原文 國防部海軍司令部組織規程第5條
本部置司令一人,海軍上將;副司令二人、參謀長一人,均為海軍中將。

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