In the regions of Fribourg (Frimobil) and Zürich (ZVV, A-Welle, OSTWIND, Tarifverbund Zug, Tarifverbund Schwyz, Z-Pass and the night train Zürich – Luzern), night supplements are automatically charged by FAIRTIQ. There is no need to pay them separately.
In all other regions, night supplements must be bought separately.