Regulations for Joint Tendering Article 6

Where a joint tendering is permitted by an entity, in conducting a special or large procurement, the entity may prescribe in the tender documentation the specific qualifications of a representative supplier and all member suppliers participating in a joint tendering.
中文原文 共同投標辦法第6條
機關辦理特殊或巨額之採購,允許共同投標時,得於招標文件中規定共同投標廠商各成員及代表廠商之特定資格。

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