Regulations of Marine Dumping Permit Management Article 6

Those who engage in marine dumping shall, at least 24 hours before loading ship or leaving harbor, notify the local coast guard authority and competent authorities at all levels online or by fax regarding the quantity to be dumped, name and marine transport itinerary of the loaded ship, dumping area, and timetable.
中文原文 海洋棄置許可管理辦法第6條
從事海洋棄置應於裝船或出港二十四小時前,將棄置物質數量、海上棄置船舶名稱、航程、棄置作業區域及時程,以網路通報或傳真方式通知當地海岸巡防機關及各級主管機關。

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