If any of the following material events occurs to a listed company, the TWSE shall produce an examination report on the impact of the material event on the company's operations or market in accordance with Articles 10 and 11 of these Procedures, and then report to the competent authority for further handling.
- The listed company's financial report for the current period shows a serious deficit, such that the company's equity attributable to owners of the parent is lower than the share capital stated in the financial report. In the case of shares having a par value other than NT$10, the share capital shall mean the sum of the share capital and the capital surplus, additional paid-in capital.
- The CPA produces an audit report with a non-unqualified opinion or produces a review report with a non-unqualified conclusion, and the circumstances are serious.
- The listed company, and its parent company or any of its subsidiaries has had a negotiable instrument dishonored due to insufficient funds, or has otherwise experienced a loss of creditworthiness.
- A principal debtor of the listed company has a negotiable instrument dishonored, has filed for bankruptcy, or experienced any other similar event of a material nature; a principal obligor in favor of whom the company has made an endorsement or guarantee is unable to settle a matured negotiable instrument, loan, or other obligation.
- From financial data forwarded by the listed company in accordance with Article 36 of the Securities and Exchange Act, its is found that the company has provided any endorsement or guarantee for a company with which it does not have business transactions, or that it has provided company assets as collaterals for loan borrowings of another person.
- The cumulative actual amounts of expenditures and project progress related to a cash capital increase or issuance of corporate bonds are both lagging behind the scheduled amounts by 25 percent or more.
- The assets (excluding all types of domestic stock and open-end bond funds) acquired or disposed by a listed company or its subsidiaries reach 20 percent or more of the share capital stated in the company's financial report, or NT$300 million or more. In the case of shares having a par value other than NT$10, for the calculation of the aforementioned 20 percent of share capital, 10 percent of equity attributable to owners of the parent shall be substituted.
- The amount of open interest in derivatives held for trading purposes in the current month shows a month-on-month increase in an amount that equals 10 percent or more of the share capital stated in the financial report, or the combined amount of realized and unrealized losses shows a month-on-month increase of NT$100 million or more. In the case of shares having a par value other than NT$10, for the calculation of the aforementioned 10 percent of share capital, 5 percent of equity attributable to owners of the parent shall be substituted.
- The year-on-year rate of increase or decline in operating revenue for the current month is high, or the month-on-month changing rate in operating revenue is high, or the year-on-year rate in cumulative operating revenue as of the current month is high, and no reasonable cause is seen for the change; or there is a material revision of the operating revenue of the current period or any previous period.
- The year-on-year rate of increase or decline in cumulative operating revenue for a certain period is high, and moved in a direction opposite to that of the industry to which the company belongs.
- The financial report of the listed company for the current period indicates a serious reduction in production, or a suspension in whole or in part of operations, resulting in a serious deficit, and it is estimated that the circumstance cannot be improved within a short time.
- Company plants or major facilities have been loaned, or all or part of the company's major assets have been pledged, such that there is a likelihood of operational difficulties or suspension of operations, or any circumstance specified in a subparagraph of paragraph 1 of Article 185 of the Company Act occurs.
- The company enters into an important contract, changes major contents of the business plan, completes the development of a new product, is merged by others, acquires another enterprise, or signs or rescinds a cooperation plan with another company, and there is an adverse effect on the company's finances or business.
- Any instance of major disaster, protest, strike, or environmental pollution occurs and it is estimated that the business operations cannot be restored within a short time, or the estimated losses exceed 20 percent of the share capital stated in the company's financial report, or NT$300 million or more. In the case of shares having a par value other than NT$10, for the calculation of the aforementioned 20 percent of share capital, 10 percent of equity attributable to owners of the parent shall be substituted.
- A change in management rights or material change in the scope of business
- Elections for the directors/supervisors of the listed company cannot be held as schedule, or half or more of the original directors or supervisors cannot exercise their duties.
- A serious deficiency occurs in any stock-related operations of the listed company (such as fraud by company insiders), affecting the market order.
- Any matter involving litigious or non-litigious proceedings, an administrative disposition, or contentious administrative proceedings, with a material effect on the company's financial or business operations.
- Reorganization or bankruptcy proceedings of the listed company, its parent company, or any of its subsidiaries, and any events that occur in the course of such proceedings, including any application made by the company, any petition made by an interested party and known to the company, any notification or ruling made by a court, or any other matters related to reorganization or bankruptcy proceedings duly conducted in accordance with laws and regulations.
- A report is made by the Surveillance Department of the TWSE in accordance with the Procedures Governing Early Warnings Notification for Trading Index.
- The listed company issues any material information, or there is reported in the media, any event with a material effect on company operations.
- There is any material irregularity in a transaction between the listed company and a related party.
- The listed company enters into the TWSE's Market Observation Post System any material information, and its average closing price of the 3 days following the entry differs by 14 percent or more from the average closing price of the 3 days preceding the entry.
- The internal control system of the listed company is found in an audit to have any material irregularity.
- The share ownership ratio of directors or supervisors, including themselves and their corporate representatives, falls short of requirements for 3 consecutive months or longer.
- Any independent director that the listed company appoints in accordance with regulations resigns for any reason other than a force majeure event such as illness or death, resulting in an insufficient number of independent directors or supervisors.
- Change of a financial officer, accounting officer, internal audit officer, R&D officer, or CPA of the company (other than an internal adjustment at the accounting firm).
- The competent authority or the TWSE deems it necessary for any other reason.