You cannot login to the Mynaportal with a smartphone because the operating system or browser you are using is not supported. Please use other login method.
For details, please refer to recommended environment.
You cannot login to the Mynaportal with a IC card reader / writer because the operating system or browser you are using is not supported. Please use other login method.
For details, please refer to recommended environment.
For new users
Services
Some services require login or electronic signatures with Individual Number Card.
User Support
Launch app to login.
About the expiration date of your Electronic certificate for user authentication
The expiration date of your "Electronic certificate for user authentication" in your Individual Number Card is "
".
Please update your electronic certificate at your local municipal office before the expiration date.
About the version of Mynaportal App(application)
Mynaportal App(application) you are using is not the latest version.
Please update the Mynaportal App(application) at App Store.
About the version of Mynaportal App(application)
Mynaportal App(application) you are using is not the latest version.
Please update the Mynaportal App(application) at Google Play.
Login or Sign Up
You cannot login to the Mynaportal with a smartphone because the operating system or browser you are using is not supported. Please use other login method.
For details, please refer to recommended environment.
You cannot login to the Mynaportal with a IC card reader because the operating system or browser you are using is not supported. Please use other login method.
For details, please refer to recommended environment.
For new users
使い方でお困りの人
確定申告やe-Taxに関するお問い合わせ・ご不明点は、国税庁ホームページをご覧ください。
社会保険料（国民年金保険料）控除証明書や公的年金等の源泉徴収票に関するお問い合わせ・ご不明点は、日本年金機構ページをご覧ください。
使い方でお困りの人
年末調整に関するお問い合わせ・ご不明点は、国税庁ホームページをご覧ください。
社会保険料（国民年金保険料）控除証明書や公的年金等の源泉徴収票に関するお問い合わせ・ご不明点は、日本年金機構ページをご覧ください。