Constitutional Court Procedure Act Article 17

(Reply Briefs)Except in the case of dismissing a petition by an order, the Constitutional Court shall serve the petition brief on the respondent and may require her or him to submit a reply brief within a specified period of time.
中文原文 憲法訴訟法第17條
除裁定不受理者外,憲法法庭應將聲請書送達於相對人,並得限期命相對人以答辯書陳述意見。

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