Organizational Act of Regional Patrol Agency of Coastal Patrol Directorate General in the Coast Guard Administration, Excutive Yuan Article 6

Each regional patrol office sets one director, with the position of the normally appointed eleventh to twelfth level or as vice admiral or rear admiral, overall taking charge of office affairs and commanding and supervising the affiliated units and personnel; and two deputy directors, with the position of the normally appointed tenth to eleventh level or as rear admiral or captain, assisting in taking charge of office affairs.
中文原文 行政院海岸巡防署海岸巡防總局各地區巡防局組織通則第6條
各地區巡防局置局長一人,職務列簡任第十一職等至第十二職等或中將、少將,綜理局務,並指揮、監督所屬單位及人員;副局長二人,職務列簡任第十職等至第十一職等或少將、上校,襄理局務。

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