Chapter 2 GatherinG requirements Table 2-1. (continued) Use Case ID: 1 Use Case Name: Accounts Date Created: XX-XX-XXXX Last Revision Date: XX-XX- XXXX Exceptional flow: Backend system is not responding. 1. When back-end systems are not working, the ui component will show a human understandable error message to customer. 2. the error message that will be displayed is “Sorry our systems are not working; please log in after some time.” Assumptions: na Validations: 1. account status validation: One holds many accounts in a bank; the system will display those accounts that have view permission, as per following table. Value (Sent in web-service Validation response) Open View DOrm View unCL not applicable inOp View CLOs not applicable preCreateD not applicable Track changes: na Out of scope: na 34