Enforcement Rules of the Income Tax Act Article 25-1

The provisions of Article 17-1 of the Act shall not apply to the spouse of the individual who files a joint tax return, or the individual who is the dependent of a taxpayer in his or her tax return in accordance with Article 71-1 of the Act. A full amount of exemption and standard deduction is allowed.
中文原文 所得稅法施行細則第25-1條
本法第十七條之一規定於本法第七十一條之一規定由配偶合併申報課稅或由符合規定之納稅義務人列為受扶養親屬者,不適用之。
其免稅額及標準扣除額之減除,均得按全額計算扣除。

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