Regulations Governing the Administration of Shareholder Services of Public Companies Article 15

After printing and production, stock certificates shall be sent to a certification bank for certification in accordance with the Regulations Governing Certification of Corporate Stock and Bond Issues by Public Companies.
中文原文 公開發行股票公司股務處理準則第15條
股票印製後,應依公開發行公司發行股票及公司債券簽證規則規定,送由簽證銀行簽證。

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