Regulations for the Issuance of Building Permit and Fishing License of Fishing Vessel Article 25-3

Any fishery operator that obtains the replacement qualification of a fishing vessel of other fishery type(s), the size and level of which are the same as the existing fishing vessel, may apply for operating the additional fishery type(s).The application of operating additional fishery type(s) pursuant to the preceding paragraph is waived from the limitation in Article 25 where the main fishery is limited to one type.
中文原文 漁船建造許可及漁業證照核發準則第25-3條
漁業人取得一艘與現有漁船相同規模級別之其他漁業種類漁船汰建資格,得申請增加經營該漁業種類。
依前項規定申請核准增加經營漁業種類者,不受第二十五條所定主漁業以一種為限之限制。

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