Public Nuisance Dispute Mediation Act Article 31

When there is reason for finding a mediation approved by a court of law void or voidable, a party to the dispute may bring a lawsuit to declare the mediation void or cancelled in the court of law which first approved the mediation.The lawsuit referred to in the foregoing paragraph shall be filed in the court within 30 days of the delivery of the mediation accord approved by the court.
中文原文 公害糾紛處理法第31條
經法院核定之調處有無效或得撤銷之原因者,當事人得向原核定法院提起宣告調處無效或撤銷調處之訴。
前項訴訟,當事人應於法院核定之調處書送達後三十日內提起之。

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