Regulations Governing the Publication of Financial Forecasts of Public Companies Article 22

When a company that has disclosed a financial forecast discovers a need to re-prepare or to update (or correct) the financial forecast, it shall publicly disclose and file, within 2 days counting inclusively from the date of discovery, the completion date of the original financial forecast, the date of the CPA review if a CPA review was done, the circumstances of the change in basic assumptions or the error that has rendered the originally disclosed information unsuitable for use, and the monetary amounts of its effect on each major account in the forecasted comprehensive income statement, and further publicly disclose and file a re-prepared or updated (or corrected) financial report, reviewed by a CPA, within 10 days counting inclusively from the date of discovery. If the financial forecast had been reviewed by a CPA before it was re-prepared or updated (corrected), the re-prepared or updated (corrected) financial forecast shall also be reviewed by a CPA.Where a company that has published a financial forecast does not meet the standards requiring updating but nevertheless elects to update its financial forecast, in addition to complying with the preceding paragraph, it shall also publicly disclose and file the reasons for deciding to carry out the non-mandated update.
中文原文 公開發行公司公開財務預測資訊處理準則第22條
已公開財務預測之公司經發現財務預測應重編或須更新(正)時,應於發現之即日起算二日內公告申報說明原財務預測編製完成日期、如有會計師核閱者其核閱日期,所發現基本假設重大變動或發生錯誤致原發布資訊已不適合使用之情事,及其對預計綜合損益表各重要科目之影響金額,並於發現之即日起算十日內公告申報重編或更新(正)後財務預測,如重編或更新(正)前財務預測已經會計師核閱者,重編或更新(正)後亦應經會計師核閱。
已公開財務預測之公司未達應更新標準而仍決定更新者,除應依前項規定辦理外,並應公告申報未達更新標準但仍決定更新之理由。

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