This functionality is disabled by default. Therefore, setting up Usage databases for historical bill periods should be considered in the case where a wide range of use cases for invoice preview need to be supported in a non-production environment. If the usage database is not found, the preview will fail.
In the case of running an invoice preview where a click-to-credit from a prior bill period is applicable, the invoice preview operation will attempt to access the usage database from that historical bill period (to determine taxes for the credit).All invoice previews require a current period usage database. Set up the current period Usage databases for each bill cycle.Enable RateBill processing from the RateBill Request Center Configuration page.Note: To use the Preview Next Invoice functionality in a non-production environment that has not been configured for RateBill operations, a work order is required for an IDI resource to: This means Invoice Preview functionality can be set up and used in any production environment as well as non-production environments that have been set up to run RateBill operations (Parse, Derive, Rating, Billing, etc.). Invoice Preview functionality is available in CostGuard environments that are set up and configured to run RateBill operations. This helps you evaluate and compare anticipated invoice charges to a previous (billed) invoice. A Preview invoice (formerly referred to as prebill invoice) lets you look ahead a customer’s next invoice prior to billing based on the current services and features on an account. Customer Care lets you view and compare invoices on a customer’s account, including Preview invoices.