BUSINESS MERGERS AND ACQUISITIONS ACT Article 44

If the shares with voting rights acquired by a company as a result of the transfer of its entire or substantial portion of business or assets to another company are not less than eighty percent of the consideration of the entire transaction, and all the shares so acquired have been transferred to the shareholders, then any proceedings generated from the transfer of the business or assets is exempted from business income tax; any loss incurred is prevented from deduction from the income.The substantial portion of business as described in the preceding paragraph refers to the income of the latest three years of the transferor business is at an amount not less than fifty percent of the total operation income for each respective fiscal year; the substantial portion of assets refers to the assets to be transferred with a value not less than fifty percent of the total assets at the time the transfer takes place.If the shares with voting rights acquired by a company as a result of a division are not less than eighty percent of the consideration of the entire transaction, and all the shares so acquired have been transferred to the shareholders, any income created as a result of the division is exempted from business income tax; any loss incurred is prevented from deduction from the income.
中文原文 企業併購法第44條
公司讓與全部或主要之營業或財產予他公司,取得有表決權之股份達全部交易對價百分之八十以上,並將取得之股份全數轉予股東者,其因讓與營業或財產而產生之所得,免徵營利事業所得稅;其因而產生之損失,亦不得自所得額中減除。
前項所稱主要之營業,指讓與營業之最近三年收入達各該年度全部營業收入之百分之五十以上者;所稱主要之財產,指讓與財產達移轉時全部財產之百分之五十以上者。
公司分割取得有表決權之股份達全部交易對價百分之八十以上,並將取得之股份全數轉予股東者,其因而產生之所得,免徵營利事業所得稅;其因而產生之損失,亦不得自所得額中減除。

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