Can be also used as Health Insurance Card (Cabinet Office)

https://www.mhlw.go.jp/content/10200000/000577618.pdf (Japanese)

 

~Other Information about Individual Number~

Individual Number Card (The Japan Agency for Local Authority Information Systems)

https://www.kojinbango-card.go.jp/en/

 

Publicity Materials for Individual Number (Cabinet Office)

https://www.cao.go.jp/bangouseido/ad/file.html#contents (Japanese)

 

<Individual Number System (Bosch Health Insurance Society)>

http://www.bosch-kenpo.or.jp/en/member/info/mynumber.html