Cash handling in a cash handling system is described in terms of methods and arrangements that interact by exchanging cash as well as information signals. A cash transport unit is configured to receive, store and provide cash, preferably in the form of notes. The transport units connect with ATM's, shops, vehicles as well as cash docking stations. Information flows among the entities of the system, between the transport units, the shops, the vehicles, the docking stations, a transport service control center, cash centers as well as banks.