Enforcement Rules of the Labor Pension Act Article 11

In the event that the business entity is reorganized or transferred ownership in the manner prescribed by Article 20 of the Labor Standards Act or is party to a merger/acquisition as prescribed by the Business Mergers and Acquisitions Act and the Financial Institution Mergers Act, the remaining employees choice of retirement mechanism and retention of annual wages as regulated by Paragraphs 2 to Article 8-1, Paragraphs 1 and 2 to Article 9, Paragraph 1 to Article 11 or Paragraph 1 to Article 35 of the Act shall be administered by the business entity that remains following the merger, reconstitution or takeover.
中文原文 勞工退休金條例施行細則第11條
事業單位依勞動基準法第二十條規定改組、轉讓或依企業併購法、金融機構合併法進行併購者,其留用勞工依本條例第八條之一第二項、第九條第一項、第二項、第十一條第一項或第三十五條第一項規定選擇適用之退休金制度及保留之工作年資,併購後存續、新設或受讓之事業單位應予承受。

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