Detention centers are entrusted by the case-handling authorities to inspect the letters sent and received by prisoners. If it is found to be an obstacle to investigation, prosecution or trial, it can be detained and transferred to the case-handling authorities. In cases in which the people's procuratorate has decided to bring an indictment, the detained offender may, after receiving a copy of the indictment, meet and correspond with the defender entrusted by him or appointed by the people's court.
Detention centers shall educate inmates in the legal system, morality and the necessary situation and labor. On the premise of ensuring safety and not affecting criminal proceedings, the detention center may organize appropriate labor for the prisoners. Accounts shall be kept of the income and expenditures of the prisoners' labor, and strict procedures shall be followed. If a prisoner, while in custody, complies with surveillance and performs well, he or she shall be commended and encouraged; if he or she has meritorious conduct, he or she shall be reported to the organ handling the case for leniency in accordance with the law. A detention center may give a warning or admonition to a prisoner who violates surveillance; if the circumstances are serious and the prisoner fails to change after education, he or she may be ordered to make a statement of repentance or be placed in solitary confinement with the approval of the director of the detention center. If a person commits a crime while in custody, the detention center shall promptly notify the case-handling organ of the situation in accordance with the law.
For those who are released in accordance with the law, the detention center shall handle the release formalities in accordance with the release notification documents of the People's Court, the People's Procuratorate, the public security organs or the state security organs. Release of detainees, issued a certificate of release. Where the legal time limit for the detention of a prisoner is about to expire and the case has not yet been concluded, the detention center shall promptly notify the organ handling the case of the speedy conclusion of the trial, and where the legal time limit for the detention of the prisoner has been exceeded, it shall report the situation to the people's procuratorate. If a detention center discovers that a prisoner has been wrongly detained, wrongly arrested or wrongly convicted during the period of detention, it shall promptly notify the organ handling the case to verify the case and deal with it in accordance with the relevant provisions. The detention center shall promptly forward the prisoner's above-mentioned letter or complaint, and shall not obstruct or withhold it.
Article 28 of the Regulations of the People's Republic of China on Detention Centers During the period of detention, with the consent of the organ handling the case, and with the approval of the public security organs, a prisoner may correspond with and meet his close relatives.