Constitutional Court Procedure Act Article 71

(Oral Argument Date Designation and Preparation Period)The presiding Justice of the Constitutional Court shall promptly set a date for oral argument when she or he considers that oral argument is ripe to be held.There shall be a preparation period of at least twenty days between the date of service and the date scheduled for oral argument.
中文原文 憲法訴訟法第71條
審判長認已適於為言詞辯論時,應速定言詞辯論期日。
前項言詞辯論期日,距聲請書之送達,至少應有二十日為就審期間。

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