Children under the age of 15 (Tariff Junior 6–17 years) no longer show their identity card.
Children over 15 years of age (Tariff Junior 6–17 years) prove themselves by one of the following cards: ID card, passport, driving license, ISIC, orange card
Students (Tariff Student 18-25 years) prove themselves by one of the following cards: orange student card, ISIC (under 25), ISIC Scholar
Any proof of identity is sufficient for seniors over 65 years of age.