Invoices can only be removed from New vouchers.
Select Payment Management from the Accounts Payable menu, and the Payment Management window opens.
Select a New voucher, and click the Edit button, or click the Voucher Number link. The Payment Voucher Detail window opens.
Check the boxes for the Included invoices you want to remove, and click the Remove Invoice button.
Click the Return to Management link in the upper right corner.
Return to Payment Management Overview