Enforcement Rules of the Middle-Aged and Elderly Employment Promotion Act Article 7-1

The two-year period, as stipulated under Article 29, Paragraph 1 of the Act and meeting the conditions stipulated in Article 54, Paragraph 1, Subparagraph 1 of the Labor Standards Act, shall be calculated from the day the employed Senior or Middle-Aged Person reaches the age of sixty-three.
中文原文 中高齡者及高齡者就業促進法施行細則第7-1條
本法第二十九條第一項所定符合勞動基準法第五十四條第一項第一款前二年內之期間,自雇主所僱用之中高齡者年滿六十三歲之日起算。

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