All types of revalidation stickers (ISIC, ITIC, ALIVE, STUDENT) will be available from September 27, 2023, at the card center in Opava and at the study department in Karviná. For the fee-based revalidation stickers (ISIC/ITIC/ALIVE), it is necessary to make the payment in advance through non-cash payment via the portal https://karty.slu.cz.