The permission for purchase on account is controlled by an interaction between the setting on your contact and the customer class.Function of the option on the contactOn the contact, there is an option that allows you to permit or prohibit purchase on account.Payment method forbidden in the customer class: The setting on the contact applies, and you can still activate purchase on account for certain customers.Payment method allowed in the customer class: The setting on the contact is disregarded and is not relevant.

If the payment methods of the Buy on Account plugin are missing at checkout, there are four standard things you should check:Checklist for missing payment methodsThe plugin must be active and deployed in the active set.The Buy on Account assistant must have been completed fully.The payment methods must be enabled in the active customer group.The payment methods must not be blocked in the shipping profile.