You can modify a sales order configuration bill any time before releasing a final assembly order. When a final assembly order is created, its work order bill and the sales order configuration bill are synchronized, if not identical. If any later modifications are required, the configuration must be updated in both Sales Order Maintenance (7.1.1) and Work Order Bill Maintenance (16.13.1).

If you need to modify data on an FAS order, do so in Work Order Maintenance (16.1). For example, if a sales order for a configured product is canceled, you must manually cancel the associated work order and return the applicable components and assemblies to their appropriate inventory locations.