Buyer to seller The transport from the buyer to the seller. Seller to buyer The transport from the seller to the buyer. Subcontractor to seller The transport from the subcontractor to the seller. Seller to drop ship designated location The transport from the seller to the drop ship designated location. Seller to freight forwarder The transport from the seller to the freight forwarder. Seller to subcontractor The transport from the seller to the subcontractor. Mother vessel to lighter Cargo is transferred from the main carriage or mother vessel to a lighter. Lighter to mother vessel Cargo is transferred from the lighter vessel to a main carriage or mother vessel. Mutually defined A code assigned within a code list to be used on an interim basis and as defined among trading partners until a precise code can be assigned to the code list.