Question: I want to change the due date on invoices that have been paid where I incorrectly stated the due date for the future. Some of these due dates were posted last year. When I try to change it it is in blue so I can't. Is there a way to go into these customer accounts and change it to the current date so that it does not appear on their accounts any more. The amts owing is 0 and that is correct but the due date and the document are in the future.