Legal basis: "Procedural Regulations for the Handling of Criminal Cases by Public Security Organs"
Article 171 When accepting a case, the public security organ shall prepare a case registration form and a case receipt, and submit the case The receipt shall be given to the sender, reporter, accuser and whistleblower. If the sender, whistleblower, accuser, or whistleblower cannot be contacted or refuses to receive a receipt, this should be noted on the receipt.
Article 178: After the public security organ accepts a case, after review, if it is deemed that the criminal facts that require criminal liability are within its own jurisdiction, the case shall be filed with the approval of the person in charge of the public security organ at or above the county level. ; If it is believed that there are no criminal facts, or the criminal facts are obviously minor and do not require criminal liability, or there are other circumstances that do not require criminal liability according to law, the case will not be filed with the approval of the person in charge of the public security organ at or above the county level. If a case involving a complainant is decided not to be filed, the public security organ shall prepare a notice of non-filing and serve it to the complainant within three days. If after deciding not to file a case, new facts or evidence are discovered, or if the original facts are found to be wrong and criminal liability needs to be investigated, the case should be filed promptly.