Real Estate Appraiser Act Article 25

Establishment of the National Association of Real Estate Appraiser Guilds shall be initiated by seven (or over) Real Estate Appraiser Guilds in Municipalities and Counties (Cities), or the permission to establish the National Association of Real Estate Appraiser Guilds is granted from the competent central authority.
中文原文 不動產估價師法第25條
不動產估價師公會全國聯合會,應由直轄市或縣(市)不動產估價師公會七個單位以上之發起組織之;但經中央主管機關核准者,不在此限。

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