text: 19. The State also pays great attention to supervision of prisons. In particular, it has strengthened legal supervision of execution of court judgement or decision of criminal cases and activities in prisons and reform institutions. There are 59 detached procurstorates and more than 580 permament procuratorial groups in such places, where they investigated and handled in 1988, 159 cases of corporal punishment or maltreatment of criminals undergoing reform through labour and persons undergoing rehabilitation through labour and cases of favouritism or fraudulent practices, unauthorized release of inmates and dereliction of duty. Meanwhile, procuratorates dealt seriously with cases of complaint filed by such criminals and persons which helped rectify erroneous or improper court judgements or decisions passed against 569 persons undergoing reform through labour and 60 persons undergoing rehabilitation through labour. 20. The State safeguards by law the rights of citizens to make charges or complaints against, or exposures of any State judicial functionary or other functionary for violation of the law by inflicting on citizens torture and other cruel, inhuman or degrading treatment or punishment and punishes in accordance with the law those directly responsible for such violations. 21. Article 41 of the Constitution states that: "Citizens of the People's Republic of China have the right to criticise and make suggestions regarding any State organ or functionary. Citizens have the right to make to relevant State organs complaints or charges against, or exposures of, any State organ or functionary for violation of the law or derelection of duty; but fabrication or distortion of the facts for purposes of libel or false incrimination is prohibited. The State organ concerned must deal with complaints, charges or exposures made by citizens in a responsible manner after ascertaining the facts. No one may suppress such complaints, charges and exposures or retaliate against the citizens making them." 
analysis: The text discusses the supervision and regulation of the legal system in China, specifically focusing on the protection of citizens' rights and the prevention of violations of law. It highlights the efforts of the State to ensure that court judgments and decisions are executed fairly and that citizens are able to file complaints and charges against officials who violate the law.