In this recipe, we unset the required CVV field at membership checkout. This field is not always required by the merchant account. We do recommend this field as it can help to reduce fraud on your site (and thus chargebacks, etc), but for some businesses you may want to remove or make the CVV optional.
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Author: Jason Coleman
Jason is co-founder of Paid Memberships Pro, the 100% open source membership plugin for WordPress. He has been pushing WordPress to its limits for many years and is an advocate for using WordPress as an application framework to build web sites and apps that go above and beyond the typical blog of CMS site.