If you have a payment form and you would like to accept submissions without accepting payments for a certain option (or all options), you can do that with PayForm!
All you need to do is just set the amount to 0.00. If that option is selected by the customer, the form will not prompt them to pay and they can submit the form for free.
If you use this feature, the customer and the form owner will not pay anything at all regardless of the number of submissions.
Here is how it looks when editing the Google Form:
