if the entrustment formalities are not submitted, the lawyer shall submit the power of attorney of the parties or their families to the court, and take the lawyer's lawyer's practice certificate to the court to read the papers.
legal basis
according to article 4 of the criminal procedure law, defense lawyers can consult, extract and copy the case file from the date when the people's procuratorate examines and prosecutes the case. Other defenders may also consult, extract and copy the above materials with the permission of the people's court or the people's procuratorate.