Domestic Violence Prevention Act Article 44

After the court renders a judgment to determine or alter the person to exercise the right and assume the duties in relation to minors or a judgment concerning meetings and dealings with the minor child in accordance with the law, if domestic violence has occurred, the court may alter the judgment based on the best interest of the child pursuant to a request by the victim, the minors, the municipal or county (city) competent authority, the social welfare institution or any interested person.
中文原文 家庭暴力防治法第44條
法院依法為未成年子女酌定或改定權利義務之行使或負擔之人或會面交往之裁判後,發生家庭暴力者,法院得依被害人、未成年子女、直轄市、縣(市)主管機關、社會福利機構或其他利害關係人之請求,為子女之最佳利益改定之。

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