PayPal Subscriptions
When you are viewing an invoice for a recurring product or service they will be shown a PayPal Subscribe button. This allows you to subscribe so that their payment for that product or service is sent automatically each month and automatically applied to the invoices.There are two conditions that must be met before the PayPal subscribe button will appear:- The invoice's Due Date must be in the future.
- The products in the invoice must be recurring (ie. domains and won't generate subscriptions).