Legal analysis: If the party is an actor, the public security organ will notify him to sign it a few days later, indicating that the case should be handled. Informing him to sign is a decision to inform the punishment, which requires the signature of the party.

If the party concerned does not go, the public security organ may summon him by force.

If the party concerned is the victim, it will be notified to sign, saying that the case has been handled, and it is necessary to sign the delivery receipt to confirm the receipt of the handling result.

If it is a witness or other insider, the public security organ informs him to sign and say that he wants to change his testimony. At this time, the parties can choose not to go.

Legal basis: Article 2 of the Constitution of People's Republic of China (PRC) All power in People's Republic of China (PRC) belongs to the people.

The organs where the people exercise state power are the National People's Congress and local people's congresses at various levels.

The people manage state affairs, economic and cultural undertakings and social affairs through various channels and forms according to law.