Juvenile Justice Act Article 81

A juvenile may be bailed out if he/she repents after seven (7) years of serving for life imprisonment, or after serving for more than one-third of limited imprisonment.Where a juvenile was under punishment of imprisonment before the promulgation of this Act, or where a juvenile received a final sentence of imprisonment before the promulgation of this Act but was executed after the promulgation of this Act, the preceding paragraph shall apply mutatis mutandis.
中文原文 少年事件處理法第81條
少年受徒刑之執行而有悛悔實據者,無期徒刑逾七年後,有期徒刑逾執行期三分之一後,得予假釋。
少年於本法施行前,已受徒刑之執行者,或在本法施行前受徒刑宣告確定之案件於本法施行後受執行者,準用前項之規定。

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