Purchases of downloadable products/services are final and non-refundable. Returns of paper-based study materials, prepackaged software, or product packages will be accepted within 30 days of the date you receive your order. All materials must be returned in original, like-new, resalable condition and in the original packaging and/or shrink-wrap, and product package returns must include all originally shipped components. Returns are subject to a $15 Restocking/Administrative Fee. All associated shipping charges are non-refundable.