Organization Act of the Air Navigation and Weather Services under the Civil Aeronautics Administration of the MOTC Article 5

ANWS shall have a director bearing the rank of Senior Grade 11 who shall take charge of the management of all ANWS affairs and the direction and supervision of ANWS personnel. Three deputy directors bearing the rank of Senior Grade 10 shall be appointed to assist the director in the ANWS related affairs.
中文原文 交通部民用航空局飛航服務總臺組織條例第5條
本總台置總台長一人,職務列簡任第十一職等,綜理台務,並指揮監督所屬人員及單位;副總台長三人,職務列簡任第十職等,襄理台務。

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