556AUNSOLICITED GOODS, WARES, AND MERCHANDISE556A.1Gift of unsolicited goods.Unless otherwise agreed, where unsolicited goods are mailed to a person, that person has a right to accept delivery of such goods as a gift only, and is not bound to return such goods to the sender. If such unsolicited goods are either addressed to or intended for the recipient, the recipient may use them or dispose of them in any manner without any obligation to the sender, and in any action for goods sold and delivered, or in any action for the return of the goods, it shall be a complete defense that the goods were mailed voluntarily and that the defendant did not actually order or request such goods, either orally or in writing.[C71, 73, 75, 77, 79, 81, §556A.1]