Regulations Governing Establishment of Internal Control Systems by Public Companies Article 22

When conducting self-assessments of its internal control systems, a public company shall first see that all internal departments and subsidiaries conduct self-assessments at least once each year, have its internal audit departments review the self-inspection reports prepared by all departments and subsidiaries, and submit the self-assessment reports, together with the reports on the correction of defects and irregularities of internal control systems discovered by its internal audit departments, to serve as the primary basis for the board of directors and general manager to evaluate the overall efficacy of all internal control systems and to produce Internal Control System Statements.The self-assessments under the preceding paragraph shall be recorded in working papers that shall be preserved, together with the self-assessment reports and relevant materials, for no less than 5 years.
中文原文 公開發行公司建立內部控制制度處理準則第22條
各公開發行公司自行評估內部控制制度,應先督促其內部各單位及子公司每年至少辦理自行評估一次,再由內部稽核單位覆核各單位及子公司之自行評估報告,併同稽核單位所發現之內部控制缺失及異常事項改善情形,以作為董事會及總經理評估整體內部控制制度有效性及出具內部控制制度聲明書之主要依據。
前項自行評估應作成工作底稿,併同自行評估報告及相關資料至少保存五年。

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