Filing a case requires the signature of the informant. According to the relevant regulations, the staff accepting oral reports, complaints and reports shall make a written record, which shall be signed or sealed by the informant, complainant and informant after being read out correctly. If the whistleblower makes a false accusation, then the whistleblower will bear due legal responsibility.

legal ground

Article 111 of the Criminal Procedure Law of People's Republic of China (PRC): Forms and requirements of reporting, accusing and reporting.

Reports, complaints and reports can be made in writing or orally. 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. The staff who accept the complaint and report shall explain the legal responsibility of false accusation and frame-up to the complainant and informant. However, as long as it is not fabricating facts and evidence, even if the facts of the accusation and report are different, or even false accusation, it should be strictly distinguished from false accusation.