Administrative Litigation Act Article 120

The plaintiff shall submit to the court a preparatory pleading in preparation of the oral argument.It is advisable that the defendant submit its answer no later than a half of the preparation period in preparation of the oral argument.
中文原文 行政訴訟法第120條
原告因準備言詞辯論之必要,應提出準備書狀。
被告因準備言詞辯論,宜於未逾就審期間二分之一以前,提出答辯狀。

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