Hostel and telephone bills can be paid in cash (Euro) at the DESY cash office "DEGUSSA Bank" (Bldg. 9, Room 10 - at the entrance to the canteen) or per money transfer (German Banking System) or Credit Card.
The DEGUSSA Bank is open
Mo-Mi 9:00-11:30 and 12:15 -16:00 / Do 9:00-11:30 and 12:15-17:00 / Fr 9:00-11:30 and 12:15-14:30.