What is a Shipper’s Letter of Instruction (SLI)?

Part of the Key Freight Documents Guide


A Shipper’s Letter of Instruction (SLI) is a note from the exporter to the freight forwarder with instructions on how a shipment is being sent and where it is going.

While each forwarder has their own SLI form, they all request the same details:

Why do I need an SLI?

An SLI serves as both an order form and as proof that you are purchasing from the forwarder. It must be completed upon the pickup of your goods.

Other Key Documents

Shipping Quote | Commercial Invoice | Certificate of Origin | Material Safety Data Sheet | Booking Confirmation | Bill of Lading/Air Waybill | Packing List | Letter of Credit