Prison Act Article 91
A prison may not render discriminatory treatment or unreasonable punishment in response to an inmate’s petition, complaint, or initiation of legal remedy.
中文原文 監獄行刑法第91條
監獄對於受刑人，不得因陳情、申訴或訴訟救濟之提出，而施以歧視待遇或藉故懲罰。
English translation for reference only; the Chinese text prevails. Not legal advice.