When interrogating a criminal suspect, investigators should first ask whether the criminal suspect has committed a crime, and inform the criminal suspect of the legal provisions that his crime can be lightened or mitigated, so that he can state the plot of guilt or the plea of innocence, and then ask him questions. The staff who accept the oral report, complaint or report shall make a written record, which shall be signed or sealed by the informant, complainant and informant after being correctly read out. Any unit or individual who discovers criminal facts or suspects has the right and obligation to report to the public security organ, the people's procuratorate or the people's court. Victims have the right to report and accuse criminal facts or criminal suspects who infringe their personal and property rights to public security organs, people's procuratorates or people's courts. Public security organs, people's procuratorates or people's courts shall accept reports, complaints and reports. If it is not under its jurisdiction, it shall be transferred to the competent authority for handling, and the informant, complainant and informant shall be informed. If it is not under its jurisdiction and emergency measures must be taken, emergency measures shall be taken first and then transferred to the competent authority.

Article 82 of the Law of People's Republic of China (PRC) on Public Security Administration Punishment requires summoning a person who violates public security administration for investigation. With the approval of the person in charge of the case-handling department of the public security organ, he shall be summoned with a summons certificate. The people's police may summon an offender found on the spot who violates the administration of public security orally after producing his work certificate, but it shall be indicated in the inquiry record.