A.
When purchasing tickets, you will not be asked to present any documents proving your eligibility for the purchase. However, you may be asked to present it at the Expo site. If asked, please present the original disability certificate, etc., or your "MIRAIRO ID" linked to the "Mynaportal".
https://ticket.expo2025.or.jp/en/faq/
https://ticket.expo2025.or.jp/en/faq/