When dealing with Customers, if ever need to change the due date of a posted invoice… YOU CAN!
Under Sales – Transactions – Edit Transaction Information
This will enable you to change the Due Date (and Discount Date) the Customer’s PO number and the Description of the document.
While dealing with collections, if you agree to let a customer pay later, change the due date here, then this transaction will not show up as due until the new agreed upon date. (Do not forget to Age.)
If you use Microsoft Dynamics GP Sales Order Processing, it will not change the original invoice, only the date it is due in Receivables! This tiny little step can save you the embarrassment of calling the customer again in error.