When a customer switches from an introductory offer in a higher level to a standard price subscription in a lower level. A customer downgrade doesn't take effect immediately. If a customer is in a pay as you go introductory price, they are charged for the downgraded subscription at the next billing cycle in the introductory period. If a customer is in a pay up front introductory price, they are charged for the downgraded subscription after the entire introductory period ends.