Enforcement Rules of the Detention Act Article 37

Detention centers shall pay attention to environmental hygiene. Each detention center will determine the frequency of regular environment hygiene inspection conducted in accordance with Article 45 of the Act based on the local situations, which however shall be performed at least twice every year.Detention centers may ask local health, environmental protection agencies (units) or relevant agencies (units) to assist in the environmental hygiene inspection under the preceding paragraph and may undertake necessary and feasible improvement measures immediately or gradually based on the needs for sanitation, environmental protection or other relevant equipment (facilities).Defendants shall cooperate with the detention center in environmental cleaning work and maintain public and personal hygiene.
中文原文 羈押法施行細則第37條
看守所應注意環境衛生。
依本法第四十五條規定定期舉行之環境衛生檢查,其期間由各看守所依當地狀況定之,每年不得少於二次。
前項環境衛生檢查,看守所得請當地衛生、環境保護機關(單位)或相關機關(單位)協助辦理;並就衛生、環境保護及其他有關設備(施)之需求,即時或逐步採取必要、可行之改善措施。
被告應配合看守所執行環境清潔工作,維持公共及個人衛生。

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