Freight or shipping carrier

If the supplier can specify the freight carrier for a shipment in a TD5 or carrier details segment, for example, TD5^^2^FED5, then the L1_I_CARRIER data substitution record can specify a cross reference between the TD503 value and your id for the carrier.

Field Value Comments/Examples
List name L1_I_CARRIER
Your value <carrier id>
Partner value <TD503 value> FED5