Educational Association Act Article 10

County (city) educational association is initiated and organized by at least five township (city or district) educational associations of this county (city); special cases approved by central competent authorities are not subject to this regulation.
中文原文 教育會法第10條
縣(市)教育會之設立,應由該區域內五個以上鄉(鎮、市、區)教育會發起組織之。
但有特殊情形經中央主管機關核准,不在此限。

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