Statute of Progressive Execution of Penalty Article 37

Level 4 and Level 3 prisoners are not allowed to transfer to another line of work; however, where the treatment or other circumstances should make such transfer imperative, this restriction shall not apply.
中文原文 行刑累進處遇條例第37條
第四級及第三級之受刑人不許轉業,但因處遇上或其他有轉業之必要時,不在此限。

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