Japan's Nationwide Mutual Usage Service (全国相互利用サービス, Zenkoku Sōgo Riyō Sābisu) is a system that allows for reciprocal use and interoperability between...

Background to PASPY Introduction #Karii, Introduction "ＰＡＳＰＹエリアにおける全国相互利用ＩＣカードのサービス開始について". Paspy. Hiroshima Bus Association. Retrieved 31 July 2023. "PASPYの種類"...