Regulations for Joint Tendering Article 13

Where a joint tendering is permitted, an entity shall prescribe in the tender documentation that a notice delivered to the representative person of a joint tendering supplier shall have the same effect as it has been delivered to all members of the joint tendering supplier.
中文原文 共同投標辦法第13條
機關允許共同投標時,應於招標文件中規定其對共同投標廠商之代表人之通知,與對共同投標廠商所有成員之通知具同等效力。

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