Company Act Article 356-14

I.A non public offering company may change its status into a close company by the unanimous consent of its shareholders.II.After the unanimous consent of its shareholders provided in the preceding Paragraph, the company shall immediately notify each of its creditors and make a public announcement.
中文原文 公司法第356-14條
非公開發行股票之股份有限公司得經全體股東同意,變更為閉鎖性股份有限公司。
全體股東為前項同意後,公司應即向各債權人分別通知及公告。

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