Enforcement Law for Part IV, Family Law of the Civil Code Article 2

If before the coming into force of the PART of FAMILY of the CIVIL CODE, the extinctive prescription has been already completed or the remainder of the period of prescription is less than one year in accordance with the provisions of the PART of FAMILY of the CIVIL CODE, the right to claim may be enforced within one year from the date of the coming into force. But this shall not apply when the time, reckoning from the completion of the prescription to the coming into force of the PART of FAMILY of the CIVIL CODE, exceeds one half of the period of prescription as provided in the PART of FAMILY of the CIVIL CODE.The provisions of the preceding paragraph shall apply mutatis mutandis to the extinctive prescription which has been already completed or the remainder of the period of prescription is less than one year in accordance with the revised provisions of the PART of FAMILY of the CIVIL CODE.
中文原文 民法親屬編施行法第2條
民法親屬編施行前,依民法親屬編之規定消滅時效業已完成,或其時效期間尚有殘餘不足一年者,得於施行之日起一年內行使請求權。
但自其時效完成後,至民法親屬編施行時,已逾民法親屬編所定時效期間二分之一者,不在此限。
前項規定,於依民法親屬編修正後規定之消滅時效業已完成,或其時效期間尚有殘餘不足一年者,準用之。

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