a notification from a consignor to a consignee giving specific information as to a shipment, the name of the carrier, the date shipped, etc.
Commerce. a document from the drawer notifying the drawee that a bill of exchange has been drawn.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for letter of advice
a commercial letter giving a specific notification, such as the consignment of goods
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012