Pharmaceutical Affairs Act Enforcement Rules Article 35

The containers, labeling, usage instructions, and packaging of biological drugs shall indicate the items set out in Article 75 of the Act. Those that contain preservatives shall be labeled with the amount of preservative content.
中文原文 藥事法施行細則第35條
生物藥品之容器、標籤、仿單及包裝,除應依本法第七十五條規定刊載外,含有防腐劑者,應標明防腐劑含量。

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