Citizen Judges Act (Act on Criminal Trials with the participation of Citizen Judge (Guomin Faguan)) Article 112

To a case that falls within the scope of application of this Act but has already been pending in court before the entry into force of this Act, the applicable laws and regulations governing the statutory procedures before the entry into force of this Act shall apply until the conclusion of the said case.
中文原文 國民法官法第112條
施行前已繫屬於各級法院而屬本法適用範圍之案件,仍應依施行前之法定程序終結之。

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