Agricultural Development Act Article 49

The competent authorities may, or upon the application of farmers' organizations or agricultural product processing industries, divide raw material supply zones into separate areas for raw materials purchase by contract. The said divided raw material supply zones may be changed by the competent authorities in accordance with the actual demand and supply.Undivided raw material supply zones shall be subject to the allocation of raw materials by the competent authorities in concert with other authorities concerned.
中文原文 農業發展條例第49條
農產品加工業,得由主管機關,或經由農民團體或農產品加工業者之申請,劃分原料供應區,分區以契約採購原料。
已劃定之原料供應區,主管機關得視實際供需情形變更之。
不劃分原料供應區者,主管機關得會同有關機關統籌協調原料分配。

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