Notification in such cases
- When you stop your workplace health insurance and enroll in the National Health Insurance
- When you join the workplace health insurance
- When moving in from other cities and towns
- When moving to another city or town
- When the address, head of household, name, or household composition changes within Inagi City
- When a child is born
- When a member of the National Health Insurance dies
- When you have lost or damaged your qualification confirmation document
- When You Lose Your My Number Card (For Those Using My Number Health Insurance Card)
When you stop your workplace health insurance and enroll in the National Health Insurance
If you are enrolled in workplace health insurance (such as social insurance, National Health Insurance Association, or mutual aid insurance) and you withdraw from that insurance without enrolling in another health insurance, you must join the National Health Insurance.
Please complete this procedure within 14 days after withdrawing from your workplace health insurance.
Please be aware that if the enrollment procedure is delayed, you will have to pay the insurance tax retroactively.
Required Items for Procedures
- Documents that specify the date of loss of eligibility for workplace health insurance
 Example) Social Insurance Qualification Loss Certificate
 Note: You cannot proceed with documents that only state the retirement date (such as separation notices).
- Identity Verification Documents
- Personal Number (My Number) Confirmation Document
About National Health Insurance Tax
The National Health Insurance Tax is levied from the month in which you acquire eligibility for the National Health Insurance (i.e., the month you withdraw from your workplace health insurance).
Please note that the assessment will not be applied starting from the month in which the procedure was completed.
When you join the workplace health insurance
If you join the health insurance at your workplace, you need to go through the procedure to withdraw from the National Health Insurance.
This is not something that a company or organization does; it needs to be done by the individual who is joining.
Required Items for Procedures
- Information about the newly joined health insurance
 All members, including dependents, are required.
 We will confirm using one of the following- Notification of Qualification Information
- Qualification Confirmation Document
- Valid workplace Health Insurance Card
- Confirmation via My Number Portal
 
- Certificate of Eligibility for National Health Insurance (if issued)
 We will refund everyone who withdraws from the National Health Insurance.
- Identity Verification Documents
- Personal Number (My Number) Confirmation Document
Regarding Medical Consultations After Loss of Qualification
If you visit a medical institution under National Health Insurance after acquiring eligibility for workplace health insurance, you may be required to refund 70% to 90% of the medical expenses (the insurer's share).
If you have accidentally used it, please contact the medical institution you visited as soon as possible.
Note: Receiving medical treatment under the qualification of National Health Insurance refers to cases where medical treatment was received at a medical institution using the My Number Health Insurance Card before the withdrawal procedure, or where the qualification confirmation document of Inagi City National Health Insurance was presented at the medical institution.
When moving in from other cities and towns
After completing the transfer procedures to Inagi City at the Citizen Affairs Division, please proceed with the enrollment procedures for the National Health Insurance.
When moving to another city or town
After completing the moving-out procedures at the Citizen Affairs Division of Inagi City, please bring your eligibility confirmation document (if issued) and proceed with the withdrawal procedures from the National Health Insurance.
When the address, head of household, name, or household composition changes within Inagi City
After completing the resident move procedures at the Citizen Affairs Division, please bring your qualification confirmation document (if issued) and carry out various change procedures.
When a child is born
When a member of the National Health Insurance gives birth, a childbirth and childcare lump-sum payment of 500,000 yen will be provided.
When a member of the National Health Insurance dies
When a subscriber of the National Health Insurance passes away, a funeral expense of 50,000 yen will be provided.
When you have lost or damaged your qualification confirmation document
Please bring your identification documents and proceed with the reissuance procedure.
Starting from December 2, 2024, we will issue a qualification confirmation document or qualification information notice depending on whether you have registered to use your My Number Card as a Health Insurance Card.
When You Lose Your My Number Card (For Those Using My Number Health Insurance Card)
If you are using the My Number Health Insurance Card and have lost your My Number Card, please bring your identification documents and apply for the issuance of a qualification confirmation document.
Available Procedure Dates
Open on weekdays from 8:30 AM to 5:00 PM
Note: On holiday opening days, the hours are from 8:30 AM to 11:45 AM and from 1:00 PM to 5:00 PM
Note: Holiday opening hours apply only to City Hall.
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Inquiries about this page
Inagi City Department of Citizen Affairs Insurance and Pension Division
2111 Higashi-Naganuma, Inagi City, Tokyo 206-8601
Phone number: 042-378-2111 Fax number: 042-377-4781
Contact Us at the Department of Citizen Affairs, Insurance and Pension Division, Inagi City



























