In the summer of 2021, HSL (Helsinki Regional Transport Authority) decided that starting in 2022, students would only be able to receive discounts on fares purchased through the HSL mobile app. Student status would be automatically verified through the Ministry of Education's Koski service. Students whose information is not found https://canli-mac-veren-siteler.wikidirective.com/7239017/Все_о_hçqlnk