To maintain your receipt of ordered subscriptions without a break, at the conclusion of each subscription period/s, your subscriptions/s will automatically be renewed for the same period/s as originally ordered. For each such automatic renewal, you authorize Boat-MagGuides to charge the debit or credit card you originally used for your subscription/s payment, or to mail you an invoice if your credit or debit card is declined. We will send you an early warning notice of subscription renewal before your subscription is due to expire .