Alien registration procedures
Foreign nationals who will be resident in Japan for 90 days or more must complete alien registration within 90 days of entering Japan. Non-Japanese babies born in Japan and people who have relinquished Japanese nationality through marriage or for another reason must complete alien registration within 60 days. Take the following documents to your local municipal office. (1) Application for Alien Registration (2) Passport (if possessed) (3) Two full-face photographs (H4.5 cm x W3.5 cm) (not required for persons under 16) You must carry your alien registration card with you at all times (except for persons under 16)