Periodically an order will contain revenue from multiple customers. In such cases, the user tasked to produce invoices will be requested to select from a list of customers when creating a complete or supplemental invoice.
The following dialog will appear after the New Complete or New Supplemental button pushed when revenue is allocated to more than one customer. Once a selection is made, the New Complete/New Supplement Invoice interface will be accessible.

Figure 8: Select Invoice Customer
If an invoice is created for the wrong customer, a user will need to recreate the invoice from scratch through the New Complete or New Supplemental options.