For colleges, bookstores, and others that only pay via PO not via credit card - The International Plant Nutrition Institute does not accept returns of overstock books ordered from us. All orders are final, and must be paid in full by the due date of our invoice. No credits or refunds will be given for unsold books returned to our office. Please make note of this in your records.
For all others that purchase direct through our webstore - The International Plant Nutrition Institute does not accept returns/exchanges of books/merchandise ordered from us unless damaged or incorrect item shipped. If damaged this must be proven in order to receive full or partial refund. All orders are final, and must be paid in full at the time of purchase.