When the public security organ takes evidence from the relevant units and individuals, it shall, with the approval of the person in charge of the case-handling department, issue a notice of taking evidence, stating the evidence taken and the time limit for providing it.

The transferred unit, its agent and the individual holding the evidence shall sign or seal the notice. Refuse to seal or sign, the public security organ shall indicate.

When necessary, the content of evidence and the process of obtaining evidence shall be fixed by audio and video recording.

legal ground

Article 62 of the Procedures for Handling Criminal Cases by Public Security Organs stipulates that when a public security organ obtains evidence from relevant units and individuals, it shall issue a notice of obtaining evidence with the approval of the person in charge of the case-handling department, stating the evidence obtained and the time limit for providing it. The transferred unit, its agent and the individual holding the evidence shall sign or seal the notice. Refuse to seal or sign, the public security organ shall indicate. When necessary, the content of evidence and the process of obtaining evidence shall be fixed by audio and video recording.