**Valid only when a new customer books through CarDelMar for the first time and successfully rents a car. Bookings made through partner websites, comparison websites or similar, with which CarDelMar is involved, are not accepted as a new customer/referral booking. Verifications of new customers occur monthly, and notification of their successful booking is sent out by email. $15 discounts are only valid for your next booking and can be applied to all vehicle categories and rental durations. Discounts cannot be used in conjunction with any other offer.