Enforcement Rules of the Fisheries Act Article 34
Any fishery operator who obstructs the migratory routes of anadromous fish for the purpose of operation shall preserve at least one-fifth of the stream face for the free passage of anadromous fish.
中文原文 漁業法施行細則第34條
漁業人為從事作業而遮斷溯河魚類之回游路徑，應留流水面五分之一以上回游路徑。