When can lawyers intervene in criminal proceedings?

A criminal suspect has the right to entrust a lawyer to intervene from the day when he is interrogated for the first time by the investigation organ or compulsory measures are taken.

Legal basis:

Article 33 of the Criminal Procedure Law: A criminal suspect has the right to entrust a defender from the day when he is interrogated for the first time by the investigation organ or takes compulsory measures. During the investigation, only lawyers can be entrusted as defenders. The defendant has the right to entrust a defender at any time.