You are able to remove a payment from an invoice via both the Web Portal and the App.
In the Web Portal, go to Accounts > Payments > select the checkbox for the payment you wish to remove > scroll to the bottom of the page and select Action from the dropdown > Undo Payment > Go.
or
Go to Accounts > Invoices > Edit pen for the invoice > select the 'Payment' hyperlink > select the checkbox for the payment you wish to remove > select Action dropdown > Undo Payment > Go. After doing that, close the Payment window and Save the invoice.
In the App, go to Accounts > Invoices > select the Invoice > select View Payments under Summary > Swipe left to select 'Remove Payment' option.
