Objective : For finance to have forecast revenue and actual revenue for billing customers.

Business Rules
1) All customer invoices on new status considered as provisional revenue that shall be submitted as provisional revenue to SUN4 on every accounting period as long as the status not change.

2) All customer invoices with Confirmed / Billed / Billed - Overdue is considered as actual revenue and shall be submitted as actual revenue to SUN4 as of the current month accounting cut off period.