A Certificate of Alien Registration serves as confirmation of your identity, your address and your personal status. Every foreign resident(diplomats excepted)is required to apply for a Certificate of Alien Registration at the ward office.If the applicant is under the age of 16 or incapable of registering in person due to illness or disabillity, any of the following persons in the same house must represent and register for the applicant(listed in order of preference) 1)the applicant's spouse, 2)a child of the applicant aged 16 or over, 3)a parent of the applicant, 4)any other relative, or 5)any other person living with the applicant.A foreign resident aged 16 or over must carry a Certificate of Alien Registration at all times.
Any changes in the address or registered information must be reported to the resident registration section of the relevant ward office (foreign resident registration section in Ikuno Ward) in person or by attorney, as follows:

Alien registration is required on the following occasions:

When you enter Japan

Application must be made: Within 90 days from arrival

Requisites: Passport or resident status certificate; two photos (4.5 cm long x 3.5 cm wide and of the same negative; not necessary for children under 16)

When a child is born

Application must be made: Within 60 days from birth

Requisites: Document proving the birth (e.g. maternity passbook, proof of birth registration, etc.)

When you change your address

Application must be made: Within 14 days from the move

Requisites: Alien registration card

When there are changes in information other than the address

Changes in name, nationality, occupation, resident status, resident period, name and/or location of work place

Application must be made: Within 14 days from the change

Requisites >Alien registration card, document proving the change
As for changes in name or nationality, two photos (4.5 cm long x 3.5 cm wide and of the same negative; not necessary for children under 16)

* When your status is permanent resident or special permanent resident, you do not need to register changes in occupation or name/location of work place.

Changes in passport number, issue date of passport, address or location in home country, name of head of household, relationship with head of household

Application must be made: Before the first application for other services related to alien registration

Requisites: Alien registration card; document proving the change

Renewal of alien registration card (not necessary for children under 16)

Application must be made: Within 30 days from the fifth birthday from the new registration or last confirmation (Seventh birthday for permanent or special permanent residents)

Requisites: Alien registration card, passport, two photos (4.5 cm long x 3.5 cm wide and of the same negative)

When your alien registration card is lost or damaged

Application must be made: Within 14 days from the discovery of the loss or damage

Requisites: Passport, document proving the loss/damage, two photos (4.5 cm long x 3.5 cm wide and of the same negative; not necessary for children under 16)

When returning the alien registration card

Return your alien registration card in the following cases:

E When you leave Japan.
Return the card to an immigration officer upon leaving, unless you have permission for reentry.
E When you acquire a Japanese nationality or in case of death:
Return the card within 14 days at the resident registration section of the relevant ward office (foreign resident registration section in Ikuno Ward).

When you apply for a certificate of registered matters

When a certificate of registered matters is required, application must be made by the person or the person's relative (living together). For application by an attorney, attach a power of attorney as well.
Certificates for matters other than those currently registered may only be available at the ward of registration.