Legal basis: People's Republic of China (PRC) Lawyers Law.
Article 2 This Code is applicable to lawyers who need to inquire about the contents of information registration items such as the name, gender, date of birth, nationality, citizenship number, registered address of permanent residence, photos and local police station.
Article 3 When inquiring about population information, a lawyer shall issue a lawyer's practice certificate, indicating the lawyer's name, specific reasons for inquiry, the certificate of law firm stamped with the seal of law firm or the letter of assistance from the people's procuratorate or people's court, and truthfully fill out the Application Form for Issuing Proof of Population Information Inquiry.