Law on the Territorial Sea and the Contiguous Zone of the Republic of China Article 5

The baseline and the outer limits of the territorial sea of the Republic of China shall be determined by the Executive Yuan and may be promulgated in parts.
中文原文 中華民國領海及鄰接區法第5條
中華民國領海之基線及領海外界線,由行政院訂定,並得分批公告之。

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