Under which condition does the seller pay freight to the named FOB port?

The principle behind FOB, or "free on board," is that the seller is responsible for the freight costs only until the goods reach the named port. When a sale is made on FOB terms, the seller pays for all transportation costs up to the point where the goods are loaded onto the shipping vessel at the specified port. Once the goods are on board, the responsibility shifts from the seller to the buyer, which means the buyer is then responsible for freight costs beyond that point, as well as insurance and any other related expenses.

In contrast, other options represent different terms that assign varying responsibilities concerning transportation costs. For instance, CIF indicates that the seller is responsible for the cost of goods, insurance, and freight to the destination port, while Ex Works places minimal responsibility on the seller, requiring them to make the goods available at their premises without covering any transportation costs. Delivery Duty Paid involves the seller covering all costs and risks associated with transporting the goods to the buyer's location and paying any applicable duties. Therefore, FOB is the only term among the options provided where the seller specifically pays the freight to the named port.