Architects Act Article 30
An architects association should be organized in the municipality or county/city where nine or more practicing architects are registered. Where practicing architects registered in a municipality or county/city is less than nine (exclusive) in number, the practicing architects of the municipality or county/city should join the architects association of a neighboring municipality or county/city, or jointly organize an architects association with a neighboring municipality or county/city.The number of architects associations organized or jointly organized at the same administrative level within the same administrative area is limited to one.
中文原文 建築師法第30條
直轄市、縣（市）有登記開業之建築師達九人以上者，得組織建築師公會；其不足九人者，得加入鄰近直轄市、縣（市）之建築師公會或共同組織之。
同一或共同組織之行政區域內，其組織同級公會，以一個為限。
同一或共同組織之行政區域內，其組織同級公會，以一個為限。