Agricultural Development Act Article 7

Various types of farmers’ organizations may jointly establish nationwide unions by relevant laws to strengthen their organizational functions and protect farmers' rights and interests.
中文原文 農業發展條例第7條
為強化農民團體之組織功能,保障農民之權益,各類農民團體得依法共同設立全國性聯合會。

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