Anti-Corruption Act Article 9

If the offenses against Articles 4-6 is committed prior to the revision and implementation of the Act, and if the offender surrenders himself within a year of the revision and implementation, the provisions of Paragraph 1 of the above-mentioned article may apply mutatis mutandis.
中文原文 貪污治罪條例第9條
本條例修正施行前,犯第四條至第六條之罪,於修正施行後一年內自首者,準用前條第一項之規定。

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