Construction Industry Act Article 45

Associations of the construction industry are classified into the association of comprehensive construction enterprises, associations of specialized construction enterprise, and the association of civil engineering contractors.The above-mentioned associations of specialized construction enterprises may be separately established according to the items of the professional works listed in Article 8.Before an association of specialized construction enterprises is established, the corresponding professional construction enterprises may temporarily join the association of comprehensive construction enterprises.
中文原文 營造業法第45條
營造業公會分綜合營造業公會、專業營造業公會及土木包工業公會。
前項專業營造業公會,得依第八條所定專業工程項目,分別設立之。
專業營造業公會未設立前,專業營造業得暫加入綜合營造業公會。

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