Enforcement Rules of the Fisheries Act Article 5

The term "modification" referred to in paragraph 1 of Article 8 of the Act means any of the following circumstances:(1) Alteration of the length, width and depth of a fishing vessel;(2) Reinstallation of the main engine and auxiliary engine, or alteration of the engine model or horsepower; and/or(3) Alteration of the structure or equipment of a fishing vessel for the purpose of altering use of fishing vessel or type of fishery.
中文原文 漁業法施行細則第5條
本法第八條第一項所稱漁船之改造,係指左列各款之情形:
一、變更漁船之長度、寬度或深度。
二、重新安裝主機、副機或變更其種類或馬力。
三、為變更漁船用途或所從事漁業種類而變更漁船之構造或設備。

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