Law on the Territorial Sea and the Contiguous Zone of the Republic of China Article 13

In the part of the Taiwan Straits not part of the territorial sea of the Republic of China used for international navigation, the Government of the Republic of China may enact laws and regulations relating to transit passage of foreign vessels and aircraft, in respect of all or any of the followings:1. The maintenance of navigation safety and the regulation of maritime traffic;2. The prevention, reduction and control of pollution of the environment;3. The prohibition of fishing;4. The prevention and punishment of loading or unloading of any commodity, currency or person in contravention of the customs, fiscal, immigration or sanitary laws and regulations of the Republic of China.The laws and regulations relating to transit passage prescribed in the preceding paragraph shall be duly promulgated by the Executive Yuan.
中文原文 中華民國領海及鄰接區法第13條
在用於國際航行的臺灣海峽非領海海域部份,中華民國政府可就下列各項或任何一項,制定關於管理外國船舶和航空器過境通行之法令︰一、維護航行安全及管理海上交通。
二、防止、減少和控制環境可能受到之污染。
三、禁止捕魚。
四、防止及處罰違犯中華民國海關、財政、移民或衛生法令,上下任何商品、貨幣或人員之行為。
前項關於海峽過境通行之法令,由行政院公告之。

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