================================================================================ P9311 I. Polak "Specification of a bank account in PSF" The behaviour of a bank account is specified in the Process Specification Formalism PSF. The following aspects will be specified: transfers, transactions, communications between accounts mutually and with a central cash and interest accounting at regular periods. We follow a report, [SS93]. [SS93] Arjen Schoneveld en Arjen Stins. Specification of a bankaccount with process algebra. Technical report, Report P9307, Programming Research Group, University of Amsterdam, 1993.