Soil and water Conservation Act Article 9

River watershed shall be subject to the overall administration and planning of the competent authority in conjunction with the relevant authorities. Mid- term and long-term administration planning must be devised based on the requirement for the conservation of soil and water resources and the reasonable use of land, submitted to the central competent authority for approval, and implemented by each relevant authority, institution or soil and water conservation obligor by stages and by regions.Watershed mentioned in the preceding paragraph will be designated by the central competent authority in conjunction with the relevant authorities.
中文原文 水土保持法第9條
各河川集水區應由主管機關會同有關機關進行整體之治理規劃,並針對水土資源保育及土地合理利用之需要,擬定中、長期治理計畫,報請中央主管機關核定後,由各有關機關、機構或水土保持義務人分期分區實施。
前項河川集水區由中央主管機關會同有關機關劃定之。

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