May be involved in civil or criminal cases, there is no illegal behavior, should actively cooperate with the public security organs.
There are many reasons for the public security bureau to call, which need to be analyzed according to the content of the call.
The scope of the Public Security Bureau is relatively large, involving many departments, and each department is responsible for handling its own work problems, both civil and criminal.
There are police stations and traffic police teams. On the positive side, it is generally related to the party concerned, so you can make a phone call.
For example:
Inquiries after individuals report the case, and notices of the expiration of vehicle annual inspection.
legal ground
Article 62 of the Criminal Procedure Law
Anyone who knows the case has the obligation to testify.
A person who is physically and mentally defective or young, can't distinguish right from wrong and can't express correctly, can't be a witness.