Company Act Article 154

The liability of shareholders to the company shall, unless otherwise provided in the paragraph 2, be limited to payment in full of the shares they have subscribed.If a shareholder abuses the company’s status as a legal entity and thus causes the company to bear specific debts and to be apparently difficult for the company to pay such debts, and if such abuse is of a severe nature, the shareholder shall, if necessary, be liable for the debts.
中文原文 公司法第154條
股東對於公司之責任,除第二項規定外,以繳清其股份之金額為限。
股東濫用公司之法人地位,致公司負擔特定債務且清償顯有困難,其情節重大而有必要者,該股東應負清償之責。

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