Persons under 18 years of age are registered on the basis of a personal identity document, whereas persons up to 15 years of age can alternatively register on the basis of their student card.
Alla 18‑aastased lapsed ja noored registreeritakse lugejaks isikut tõendava dokumendi alusel, kuni 15-aastane õpilane ka õpilaspileti alusel.