Quote Originally Posted by mc12345678 View Post
What are your settings for configuration->credit cards?
This made me wonder. Having only ever used Square and PayPal EC to process credit cards, I've never looked at that configuration page - even after all these years.

Delving into the code I believe that only Authorize.net & PayPal Website Payments Pro use the checks set on that page and that they have no bearing on how Square processes payments.