[Start use in April 2025] Online application for use of daycare centers

It can be used if both of the following apply.

• The applicant (guardian of payment authorization) is registered as a resident in Yokohama City.
• About the use of authorized nursery schools in Yokohama-shi, we apply again.

Please confirm "use guidance such as Yokohama-shi nursery schools" beforehand (publication page: to one hoped for the use of nursery schools in 2025).

We do not support online applications in the following cases. It will be handled by the ward office Children and Families Support Division window or by mail.

1. Application for use to nursery schools outside Yokohama City (not applicable when applying in conjunction with a garden in Yokohama City)
2. Application for use to non-nursery schools, such as kindergartens and Yokohama nursery rooms.
3. Those who have already applied (changes, corrections, etc. of submitted content)
4. Application for use of pre-birth children
5. Application by proxy

The applicant's (person who becomes a payment authorization guardian)'s My Number Card and the PIN of the digital certificate are required.
If you do not know your PIN, please contact your ward office Family Registry Division.
[Reference Page] About summary of my number card (electronic certificate)

[Apps, etc.] The following environment is required.

• Those who apply with a smartphone: Smartphones compatible with My Number Card
• Those who apply on a PC: IC card reader for personal computers and My Number Cards
• Smartphones and PCs common: Minor portal app

※Please refer to "Frequently Asked Questions" on the minor portal site or contact the My Number Comprehensive Toll Free Number for the operation procedure of the minor portal, compatible OS, and browser.
　

Documents according to the reasons for needing childcare and the situation of the household will be converted into data (PDF) and attached when applying online.
→[Please check] 「Be careful with attached documents for online application (PDF: 2,302KB)」

• Certificates should be converted into PDF (if not possible, converted into image data), the total file size should be "9MB or less", and attached when applying online.
• It is necessary to create and attach payment authorization application (A), use application (B), my number entry document (D), identity verification document, submission document confirmation slip (Kaneshige required matter confirmation slip), and reply envelope There is no.
• If the contents cannot be confirmed, such as when the image data is black or some of the documents are missing, it may be disadvantageous for benefit certification and usage adjustment. Please confirm in advance that the contents of the attached documents data are clearly read, that the entire document is shown, and that there is no omission.

[Please be careful] The number of attached documents that is difficult to read is increasing.

• It takes about 40 to 60 minutes to complete the application form. In addition, since the time will be out if there is no operation for a certain period of time, please make sure that there are no omissions in the preparation of required documents (PDF, image data) or the entry of the employment certificate before starting the input.
• Basically, it is accepted 24 hours a day, but this does not apply if the system is stopped due to maintenance or other reasons. Since the national system (minor portal) is used, please check the mental health information etc. on the minor portal.
• After the application is completed, an automatic reply e-mail will be sent from the minor portal to the e-mail address entered at the time of application. We will guide you to important news from Yokohama City, so please enter an e-mail address that can receive e-mail reliably.

＊If you have set up domain-specific reception, please specify so that you can receive mail from "@mail.oss.myna.go.jp".

＊You will receive one e-mail from the minor portal when you enter your e-mail address and two e-mails at the time of application. If you have received an e-mail with the subject "[Minor Portal Perfect Service] Contact of Electronic Application Reception" that arrives at the time of application (when you proceed to "electronic signature and application"), the application has arrived in Yokohama City .

＊We will not notify you that the application has been accepted from Yokohama City because the reception will be confirmed by e-mail of the automatic reply from the minor portal. In addition, we cannot answer confirmation of "whether the application has arrived" over the phone.

• Please be sure to download the application data (copy) when you apply. The date and time of application (send) and details of the application can be confirmed with the downloaded data. However, attached documents (work certificate, etc.) cannot be downloaded, so please keep the data attached at the time of application.

＊When extending childcare leave benefits, you need a printed copy of the application (application data (copy)).

• When applying for a sibling child, the benefit-certified guardian must be the same (eg, the brother and brother's benefit-certified guardian cannot be divided into mothers and fathers).
• Please be careful not to send it twice. If you send the application data twice by mistake, proceed with the procedure using the data sent earlier. Please contact your ward office Children and Families Support Division as additional procedures will be required for amendments.
• Please prepare the "Yokohama City Nursery School Usage Guide" and "Work Certificate" at hand and enter it.

The application data will be sent to the ward office Children and Families Support Division of the ward office where the applicant resides, and theattached documents will be checked.

• The text of the e-mail with the subject "[Minor Portal Perfect Service] Contact of Electronic Application Reception" that arrives when you apply (when you proceed to "electronic signature and apply") ([Important news from Yokohama City]) Information on the flow of procedures after application and how to change the application details (link to PDF file) is posted. (Change or withdrawal of application details cannot be made at the minor portal.)
• If there are any deficiencies or shortages in the application details or submitted documents, the ward office Children and Families Support Division will contact you by e-mail or telephone.

By early February, the results of the usage adjustment will be notified by mail from the ward office Children and Families Support Division of your ward (or the ward where the nursery school you have decided to use is located). We will not send you the usage adjustment results from the minor portal.
Please refer to this page. → For those who have applied for online use (PDF: 729KB)

If the reason for the need for childcare is "work" or "continuation of use during childcare leave", enter the contents (employment period, working hours, number of working days, etc.) described in the "work certificate". Before proceeding to the entry, be sure to make sure that there is no omission in the employment certificate, and if there is any unlisted, ask the employer to fill it out.
→Please refer to the following page. Confirmation items of the work certificate before input (PDF: 1,259KB)
In the following cases, the ward office Children and Families Support Division may contact you and resubmit your employment certificate.

• When working hours, etc. are entered even though they are not listed on the employment certificate.
• When the contents described in the employment certificate are different from the entered contents.

1. The applicant isresident certificate in Yokohama.
2. It is use application such as nursery schools in Yokohama-shi.
3. Currently, we are not applying for a nursery school (we are on hold in the same year and are not on transfer).
4. This application is within the application period of the month you wish to use.
5. We have confirmed information on how to use nursery schools, etc. in the year in which we apply, and have compiled data with required documents.
6. Regarding attached documents data, we have confirmed that the entire document is shown and the contents (print) are read.
7. You have already installed the minor portal app and have already known the password for the electronic signature.
8. I know the name of the cohabitants and my number.

Before proceeding with the procedure, be sure to reconfirm with the above checklist.
If you are satisfied with everything, please proceed to the online application using the link below.

The application period for the use (primary application) in April 2025 (Thursday, October 10, 2025-Wednesday, November 6) has ended.
The acceptance of the second application will start on Monday, January 6, 2025.
※Please be sure to download the copy when the application is completed. → [Reference] Location of download button (PDF: 321KB)

[Inquiries about minor portals and my number]
My Number Comprehensive Toll Free Number: 0120-95-0178
Opening time: Weekdays 9: 30-20: 00 / Saturdays, Sundays, and holidays 9: 30-17: 30 (excluding New Year holidays)

[Inquiries about the application period and input items]
Special dial: 045-664-2607
Opening time: From 8:00 am to 8:00 pm (including weekends and holidays, excluding New Year holidays)

[Individual inquiries such as reasons for certification]
Children and Families Support Division, ward office of your ward
Reception hours: From 8:45 am to 5:15 pm (Window Hours until 5:00 am, excluding weekends, holidays and the year-end and New Year holidays)