Aliens shall leave China within the time limit prescribed in the visas or within the period of validity of their residence certificates.

　  For exit, aliens shall submit for examination their valid passports or other valid certificates as well as well as visas or residence certificates permitting their stay in China.

　  The holder of an alien's residence certificate who wishes to leave and then re-enter China within the period of validity of the said certificate shall, before leaving China, apply for re-entry visa to public security organ.

　  An alien holding a residence certificate who does not wish to return to China after exit shall hand in the residence certificate for cancellation to the border check post upon exit.