Procedures for National Health Insurance by Mail

When applying for National Health Insurance due to withdrawal from social insurance (employee health insurance) by mail, first check the notes and the documents to be mailed in the “Notes on Procedures (PDF: 515KB)”.
・National Health Insurance transfer registration form (joining) (PDF: 203KB) [Example] (PDF: 250KB) ※Please be sure to check the page of the above notes.
・Re-grant application (PDF: 141KB) [Example] (PDF: 212KB)
・Limit application, standard burden reduction authorization application (and consent form) (PDF: 67KB) [Example] (PDF: 202KB) ※If you are over 70 years old, please be sure to check the notes below.
・Power of Attorney Model (PDF: 121KB) [Example] (PDF: 172KB)

<Note> About application of limit application, standard burden reduction authorization
For those 70 years or older, only those who fall under the following will issue a limit application certificate.
　[Those who are 70 years old or older and can issue a limit application certificate]
　　・Those with a burden ratio of 30% → Households whose standard residence tax amount is 6.9 million yen or more (*)
　 　 (* Judgment is made based on the standard amount of residence tax for insured persons aged 70 and over who have taken out National Health Insurance.)
　　・Those with a burden ratio of 20% → Those who belong to households exempt from residence tax
For those 70 years or older who do not fall under the above description, presenting the insurance card and the certificate of elderly recipients to the medical institution will result in the window burden up to the copayment limit according to the burden ratio, so the limit application certificate is not required. If you need to apply, please contact your ward office Insurance and Pension Division. Please note that only the person or the family of the same household can answer the relevant burden category by telephone.

（１） Various application forms, registration form
（２） A copy of the applicant's identity verification document
Driver's license, passport, residence card, my number card (only the one with the photo), insurance card, etc.
（３） (In the case of National Health Insurance enrollment procedure) employee health insurance certificate of disqualification

Please refer to "Notification of Loss of National Health Insurance Qualification by Mail" for details.

When applying for cancellation of registration of the minor insurance card by mail, first check the following notes.

・After applying for the cancellation of the registration of the minor insurance card, it will take one to two months for the cancellation information to be reflected on the minor portal etc.

・Even after the use registration has been canceled, it is possible to perform the use registration procedure again. In addition to minor portals and Seven Bank ATMs, it can be done from card readers with face recognition installed at the reception of medical institutions and pharmacies.

・If you register again after applying for registration cancellation, you will not be able to register for use until the cancellation of use registration is reflected.

・If you have a valid health insurance card until July 31, 2025, please use it until the expiration date. In addition, we will send you a qualification confirmation around July 2025, when the insurance card expires.

・If you newly join another medical insurer before the cancellation is completed after the application for cancellation of use registration cancellation, the newly enrolled medical insurers, etc. Please offer that you have applied for cancellation of use registration with National Health Insurance.

If you wish to cancel the registration of your minor insurance card by mail, please send the following required documents to the ward office Insurance and Pension Division.
（１） Application for cancellation of registration of use of health insurance card of my number card (PDF: 123KB) [Example] (PDF: 198KB)
（２） Copy of identity verification documents (If someone other than the person applies on behalf of the person, both the delegate and proxy/agent are required.)
Certificate with face photo such as driver's license, passport, residence card, my number card (only the face with photo)
（３） Power of Attorney (when a person other than the person who wishes to cancel the use registration applies) Hinagata (PDF: 121KB) [Example] (PDF: 229KB)

（１） About medical expenses
Please refer to "Payment of medical expenses" for the medical expenses system.
・National Health Insurance medical expenses / special medical expenses payment application (PDF: 136KB) [Example] (PDF: 153KB)
・medical expenses Receipt Statement (PDF: 93KB)
・Dispensing Fee Receipt Statement (PDF: 43KB)
・Dental medical expenses receipt statement (PDF: 107KB)
・Letter of consent related to the survey (overseas medical expenses) (English version) (PDF: 137KB) [Example] (PDF: 177KB)
・Letter of consent related to the survey (overseas medical expenses) (Chinese version) (PDF: 195KB) [Example] (PDF: 235KB)
・Letter of consent related to the survey (overseas medical expenses) (Korean version) (PDF: 220KB) [Example] (PDF: 260KB)
・Letter of consent related to the survey (overseas medical expenses) (Thai language version) (PDF: 256KB) [Example] (PDF: 330KB)
・Medical treatment statement (Form A) (overseas medical expenses), international disease classification table, receipt statement (Form B) (overseas medical expenses) (PDF: 448KB)
・Medical treatment statement (Form A), receipt statement (Form B) (Dentistry) (PDF: 1,427KB)

（２） About dietary allowance at the time of hospitalization
For information on the system of dietary allowances at the time of hospitalization, please refer to "Dietary treatment at the time of hospitalization and living treatment at the time of hospitalization."
・National Health Insurance standard burden (difference) payment application (PDF: 119KB) [Example] (PDF: 116KB)

（３） About high medical costs
Please refer to the “High Reimbursement Fee System” for details on the high medical costs system.
In general, we will send you an application form and application form at the end of the month following the month in which high medical costs was paid.
Please return it in the enclosed reply envelope.

（４） About lump-sum payment for childbirth and childcare
Please refer to "Payment of lump-sum childcare lump sum" for the lump-sum childcare lump sum system.
・National Health Insurance Childbirth and Childcare Lump-sum Payment Application Form (PDF: 116KB) [Example] (PDF: 149KB)

（５） About funeral expenses
Please refer to "Payment of funeral expenses" for the system of funeral expenses.
・National Health Insurance funeral expenses payment application (PDF: 116KB) [Example] (PDF: 133KB)
・Funeral expenses payment application petition (PDF: 112KB) [Example] (PDF: 145KB)

（６） Child care allowance for children with disabilities
Please refer to "Payment of Child Care Allowance for Children with Disabilities" for the system of Child Care Allowance for Children with Disabilities.
・National Health Insurance child with a disability childcare allowance payment application (PDF: 126KB) [Example] (PDF: 155KB)
・Medical certificate (for child care allowance for children with disabilities) (PDF: 122KB)

（７） Transfer costs
Please refer to "Payment of transfer costs" for the transfer costs system.
・National Health Insurance transfer payment application (PDF: 114KB) [Example] (PDF: 116KB)
・Statement of opinion requiring transfer (PDF: 117KB)

（８） About injury and sickness allowance (COVID-19 infection related)
Please refer to "Payment of Injury and Disease Allowance (COVID-19 Infectious Diseases Related)" for the system of injury and illness allowance (COVID-19 infection related).
The application form is available at the ward office Insurance and Pension Division National Health Insurance Section. Please contact the ward office Insurance and Pension Division for details of the procedure.

（９） Notification of Third-Party Acts
Please refer to "When you have a traffic accident" for the actions of third parties.
・Notification of injury and illness caused by the act of a third party (PDF: 119KB) [Example] (PDF: 135KB)
・Petition for Facts (PDF: 246KB) [Example] (PDF: 248KB)
・Accident Occurrence Status Report (PDF: 124KB) [Example] (PDF: 282KB)
・Notebook (PDF: 211KB) [Example] (PDF: 229KB)
・Reason for inability to obtain a certificate of personal injury (PDF: 151KB) [Example] (PDF: 149KB)

（１０） About notification about self-negligence and work injury and illness
・Notification of self-negligence and work injury and illness (PDF: 83KB) [Example] (PDF: 111KB)

（１１） Common style
・Petition about application and receipt about Yokohama-shi National Health Insurance payment costs (PDF: 83KB) [example] (PDF: 105KB)

（１） Various application forms, registration form
（２） required documents (depending on each system) Please check the page of each system.
（３） Copy of identity verification document of the head of household
Driver's license, passport, residence card, my number card (only the one with the photo), insurance card, etc.

If you wish to apply for a reduction or exemption application by mail, please contact Insurance and Pension Division in your ward before mailing.

・National Health Insurance premium collection postponement, reduction of taxes application (PDF: 225KB)
・National Health Insurance Premium Late Payment Exemption Application (PDF: 114KB)
Others
Please refer to "Measures to reduce the burden due to employment fluctuations (involuntary unemployment)" for mitigation measures for those who have left their jobs involuntary.
・Insured persons eligible for the National Health Insurance exception registration form (PDF: 114KB)
Please refer to the "National Health Insurance Premium Payment Certificate" for the National Health Insurance Premium Payment Certificate.
・National Health Insurance premium payment proof application (PDF: 168KB)

（１） Copy of various application forms and supporting materials
（２） A copy of the applicant's identity verification document
Driver's license, passport, residence card, my number card (only the one with the photo), insurance card, etc.

Please send a copy of each required documents and your identity verification document to your ward office Insurance and Pension Division.