Child and Juvenile Welfare and Rights Protection Act Article 20

The adopted child, interested parties, or the competent authority may request the court to terminate the adoption if the adoptive parents engage in any of the following acts:1. Committing any of the acts specified in the Subparagraphs of Article 49.2. Gross violation of the provisions of Article 43, Paragraph 2 or Article 47, Paragraph 2.
中文原文 兒童及少年福利與權益保障法第20條
養父母對養子女有下列行為之一者,養子女、利害關係人或主管機關得向法院請求宣告終止其收養關係:
一、有第四十九條各款所定行為之一。
二、違反第四十三條第二項或第四十七條第二項規定,情節重大。

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