Abstract: Method and arrangement for providing a registration system, preferably for simplifying the checking out procedure for a guest visiting a location, such as a hotel facility. The system includes at least one registration terminal, a communication interface for communication with the guest and a reading device, for reading an information carrier corresponding to a key-information. The system also includes a communication arrangement, for communication with a booking system a compiling arrangement, for compiling a bill with information from the booking system, and a transaction means. The system further includes an information arrangement for providing bill information to the guest and obtaining possible information from the guest for revising the bill with regard to the information from the guest.