The group day ticket for up to 30 adults aged 15 years and older is - depending on the chosen option - valid for up to 30 adults for any unlimited number of trips within the selected area of validity, whereas two children (6-14 years) count as one adult. During school trips students count as children including grade 9. The price of the ticket corresponds to the multiples of a group day ticket for up to five adults; the amount appears in the shopping cart. The required quantity of group day tickets for up to 5 adults is calculated from the selected number of persons. The group day ticket is issued to the ticket holder, requiring him or her to accompany the group while using the public transport. The ticket is valid until 6 am the following day.