Legal basis: Article 3 of the Law of the People's Republic of China on Resident Identity Cards includes: name, gender, nationality, date of birth, location of permanent residence, citizenship number, personal photo, fingerprint information, validity period of certificate and issuing authority.
Citizenship number is a unique and life-long identity code for every citizen, which is compiled by public security organs according to the national standard of citizenship number.
Citizens applying for obtaining, renewing or replacing resident identity cards shall register their fingerprint information.
Fourteenth in any of the following circumstances, citizens should show their identity cards to prove their identity:
(a) the registered items of permanent residence have changed;
(2) military service registration;
(3) Marriage registration and adoption registration;
(4) Going through exit formalities;
(5) Other circumstances in which it is necessary to prove identity with a resident ID card as stipulated by laws and administrative regulations.
A citizen who has not obtained a resident identity card in accordance with the provisions of this Law may, when engaging in the relevant activities specified in the preceding paragraph, use other means of proof that meet the requirements of the state to prove his identity.