How to force an invoice to a big form Customers, Knowledge Base | ID: 6582 Open Paladin Point of Sale. On the top ribbon, click on the Customers module. On the Customers tab, in the Form Control pane, select the Force Invoice to big form check box. Click Save. Suggest ways to make this article better:*Provide your email address. (Optional)We respect your privacy. If you provide your email address, we will use it only if we have more questions about your feedback.YesNoEmail EmailThis field is for validation purposes and should be left unchanged. Send This iframe contains the logic required to handle Ajax powered Gravity Forms.