FOB is a form of delivery that requires the goods to be loaded on the ship's deck to be transported. In short, the exporter is responsible for inland transportation, harbor charges, and customs clearance processes. The seller's liability ends as soon as the products or containers are loaded onto the ship. FOB delivery term is only used for port shipments. It's also the most popular incoterms with EXW and CIF.
Free on Board (FOB) Incoterm Explained
Free on Board (FOB) vs Free Alongside Ship (FAS): What's the Difference?