Company Act Article 94

The account books, statements and documents relating to business and liquidation affairs of the company shall be kept for a period of ten years from the date of filing a report to the court after completion of liquidation, and the custodian of the aforesaid materials shall be appointed by a majority of the shareholders.
中文原文 公司法第94條
公司之帳簿、表冊及關於營業與清算事務之文件,應自清算完結向法院聲報之日起,保存十年,其保存人,以股東過半數之同意定之。

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