Enforcement Rules of the Labor Pension Act Article 9

For a employee who is hired by and concurrently works for two or more employers, his or her employers must each contribute into unique individual accounts belonging to the same employee.
中文原文 勞工退休金條例施行細則第9條
勞工同期間受僱於二個以上之雇主者,各該雇主應依本條例第六條規定分別提繳。

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