Enforcement Rules of the Labor Insurance Act Article 75

When issuing 80% of the amount of disability pension according to Paragraph 2 of Article 55 to the Act , if the amount is less than four thousand N.T. dollars, then, four thousand N.T. dollars will be issued; Article 70 shall be resorted for those who have National Pension coverage records.
中文原文 勞工保險條例施行細則第75條
依本條例第五十五條第二項規定按月發給失能年金給付金額之百分之八十時,該金額不足新臺幣四千元者,按新臺幣四千元發給;其有國民年金保險年資者,並準用第七十條規定。

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