letter of advice

noun

1. a notification from a consignor to a consignee giving specific information as to a shipment, the name of the carrier, the date shipped, etc.
2. Commerce. a document from the drawer notifying the drawee that a bill of exchange has been drawn.

letter of advice

noun

1. a commercial letter giving a specific notification, such as the consignment of goods

Word History and Origins

Origin of letter of advice¹

First recorded in 1675–85