Del. Code Ann. tit. 6, § 7-507
If a person negotiates or delivers a document of title for value, otherwise than as a mere intermediary under Section 7-508, unless otherwise agreed, the transferor, in addition to any warranty made in selling or leasing the goods, warrants to its immediate purchaser only that:
5A Del. C. 1953, §§ 7-507; 55 Del. Laws, c. 349; 74 Del. Laws, c. 332, § 39