3.PLEASE WITHIN SIX MONTHS OF THE DEPARTURE OF THE FOREIGNER, YOU MUST SEND THE NAME OF BOOKLET AND THE TRAVEL CERTIFICATE ISSUES BY THE AIRLINES COMPANY (IF YOU HAVE THE STAMP FROM THE POLICE STATION,YOU DON'T HAVE TO SHOW THE TRAVEL CERTIFICATE), AND THE PHYSICAL EXAMINATION OF FOREIGNER BEFORE DEPARTURE FOLLOW THE REGULATION WITHIN SIX MONTHS.