The Act of the Establishment of Juvenile Reformatory Schools and Enforcement of Education Article 72

Students may read the books that are given to them or brought by themselves, if the books are deemed harmless to the enforcement of correctional education or student learning by the Reformatory School after the inspection.
中文原文 少年矯正學校設置及教育實施通則第72條
矯正學校對於送入予學生或學生持有之書刊,經檢查後,認無妨害矯正教育之實施或學生之學習者,得許閱讀。

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