1. Go to Settings.
2. Scroll down to Payment Methods.
3. Locate Payment by Invoice and press the edit icon to the right.
4. Select Enabled in the drop-down menu under SKIP UPDATING REPORTS UNTIL INVOICE IS FULLY PAID.
5. Press Save Changes.
Do Not Include Unpaid Invoices in Daily Sales Totals
Make sure unpaid invoices are not accounted for in the sales for the day. Your numbers may be off if you do not take this step.