Only bills generated after build 29.0.0.000 qualify for undoing with this feature. You can confirm the build by selecting Bills and then Review Bill Runs.
NOTE:
This feature is available only with Elite or Metal support plans.
SelectBills and Undo Multiple Bills.
Select the client from the dropdown list.
Select the bill you want to undo.
Print a reprint of the selected invoices and re-bill instructions.
ClickUndo Bill.
This undo process provides images of any bills you undo. It also includes details such as the slips, transactions, and billing arrangements on the original bills to make it easy to re-bill your client.