Regulations Governing Appointment of Independent Directors and Compliance Matters for Public Companies Article 6

If an independent director elected at a shareholders' meeting, or appointed by a financial holding company, the government, or a corporate shareholder under Article 7, is ipso facto dismissed during the term of office for reason of a violation of Article 2 or 3, it is prohibited to change the status of the person from independent director to non-independent director. A non-independent director elected at a shareholders' meeting, or appointed by a financial holding company, the government, or a corporate shareholder under Article 7, likewise may not be arbitrarily changed from a non-independent director to an independent director during the term of office.
中文原文 公開發行公司獨立董事設置及應遵循事項辦法第6條
經股東會選任或依第七條由金融控股公司、政府或法人股東指派為獨立董事者,於任期中如有違反第二條或第三條之情形致當然解任時,不得變更其身分為非獨立董事。
經股東會選任或依第七條由金融控股公司、政府或法人股東指派為非獨立董事者,於任期中亦不得逕行轉任為獨立董事。

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