When you edit an invoice, you may change a number of fields in the invoice, but the invoice date is not one of the allowed changes. So, to re-schedule an invoice, you need to
- Cancel it from the list of scheduled invoices by clicking the red in the action column at the far right.
- [Optionally] type in that it is being canceled to reschedule to a different date.
- Confirm that yes, you are sure you want to cancel the invoice.
- Click Invoice -> Invoice Setup in the deal menu.
- Select the product(s), custom schedule and enter description(s) as appropriate.
- Select or type in the desired invoice date and then click "Schedule" to save it.