Juvenile Justice Act Article 69

Where a juvenile offence has already be covered by the pronouncement of protective measures in accordance with Article 42, no criminal action or punishment may be charged against the same matter, unless such protective measures had already been revoked in accordance with Article 45 or 47.
中文原文 少年事件處理法第69條
對於少年犯罪已依第四十二條為保護處分者,不得就同一事件再為刑事追訴或處罰。
但其保護處分經依第四十五條或第四十七條之規定撤銷者,不在此限。

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