Learn in the textbookOnline Government Procedures, the Number System, and Disaster-Prevention Information
DefinitionThe My Number Card (マイナンバーカード) is a photo card for identity verification, with an IC chip that stores an electronic certificate (電子証明書).
ExplanationThe municipality issues it on the person's application, with the name, address, photo, and other details on the front and the My Number on the back. In person it serves as proof of identity, and online the holder proves who they are through the Public Certification Service for Individuals with the certificate on the IC chip.
AnalogyIt is a photo ID and an electronic key to online procedures rolled into one card.