There is a close relationship between these three header-level date fields:

Ideally, each invoice will have these three attributes, but some will have only two, or perhaps just an invoice date.

Vic.ai will flag for you, via a yellow box outline, if there is a mismatch between the invoice date, payment terms, and invoice due date.

If you enter the due date field, you will see an option to calculate:
"Compute invoice date + payment terms = Due Date." Selecting it will perform the math of Invoice Date + Payment Terms" to bring the Due Date into alignment.

​