Enforcement Rules of the Fisheries Act Article 22

Fishing right license shall be invalid simultaneously upon the expiration of its authorized period. If there is any intention to continue the fishery operation, the renewal of fishing right license shall be applied within six months prior to its expiration.When the aforementioned license becomes invalid, such effect shall apply to the corresponding fishing right fishery simultaneously.
中文原文 漁業法施行細則第22條
漁業權執照有效期間屆滿時失效,如需繼續經營,應於期滿前六個月內申請換發。
漁業權執照失效時,其漁業權亦同時消滅。

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