Shipper's Letter of Instructions for issuing an Air Waybill
Shipper's Letter of Instructions for issuing an Air Waybill :
The document required by the carrier or freight forwarders to obtain (besides the data needed) authorization to issue and sign the air waybill in the name of the shipper
US Department of Transportation, Maritime Administration, Glossary of Shipping Terms, Washington, DC, USA 2008. http://www.marad.dot.gov/documents/Glossary_final. pdf, (Mrtm - Amer) {572}