Legal basis: According to the provisions of the Criminal Procedure Law of People's Republic of China (PRC), when investigating places, articles, persons and corpses related to crimes, when searching the corpses, articles, residences and other related places of defendants and people who may hide criminals or criminal evidence, and when seizing various articles and documents that can be used to prove the defendant's guilt or innocence, it is necessary to forcibly seal up and detain the defendant's property during the execution of the judgment. In addition, If the addressee or agent refuses to accept, sign, seal subpoenas, notices and other litigation documents in litigation, the addressee may invite witnesses to be present and prove the reasons for the refusal on the service receipt. If the addressee signs and leaves the documents, it shall be deemed as service. After the above activities are completed, the witness shall sign or seal the relevant transcripts made on the spot. The provisions of the Criminal Procedure Law on witnesses are very strict and clear. Only those who meet the standards can be witnesses. This is not only the requirement of law, but also the need of fairness and justice, so as to ensure that every case can have a true and just result. If you want to know more about the content of the Criminal Procedure Law, you can continue to browse the extended content.