Step 1: Go to the invoice.
In the search bar, type the member's name and click on it.
Click on the Billing tab > Click on the invoice you want to modify.
Step 2 : Change the manual payment method.
Click on the icon below:
Select the correct payment method by clicking on it in the drop-down menu.
The new payment method is automatically saved.
If you need more information on billing, see this section !