Additional Freight - Extra charge imposed in accordance with the contract of carriage by a shipping line on the shipper, receiver or Bill of Lading holder, as the case may be, for additional expenses incurred in discharging the cargo. This charge generally applies when the port stipulated in the contract is inaccessible or when the discharge there would result in unreasonable delay to the ship: under these circumstances, the shipping line may have an option under the contract of carriage to proceed to another port of discharge the cargo where extra costs may be incurred.