Enforcement Rules of the Act Governing the Administration of Professional Engineering Consulting Firms Article 3

When a professional engineering consulting firm registers various branches of the business scope in accordance with Article 5, Paragraph 3 of the Act, if a practicing professional engineer hired by the firm holds a license available to two or more branches defined under Article 4 of the Act, the firm may register the business scope of such different branches simultaneously.
中文原文 工程技術顧問公司管理條例施行細則第3條
工程技術顧問公司依本條例第五條第三項規定登記營業範圍各類科別時,其所聘執業技師持有二以上符合本條例第四條所定科別之執業執照者,得同時登記該不同科別之營業範圍。

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