Del. Code Ann. tit. 6, § 2-504
Where the seller is required or authorized to send the goods to the buyer and the contract does not require him or her to deliver them at a particular destination, then unless otherwise agreed he or she must
Failure to notify the buyer under paragraph (c) or to make a proper contract under paragraph (a) is a ground for rejection only if material delay or loss ensues.
5A Del. C. 1953, §§ 2-504; 55 Del. Laws, c. 349; 70 Del. Laws, c. 186, § 1