A deduction made from the gross weight or value of goods or services. The Revised Interstate Commerce Act requires the carriers to furnish the service of carriage (haul) and also such facilities as are necessary to make the service of transporting a shipment as safe and complete as possible under conditions existing at time of movement. If the necessary equipment, such as dunnage, elevation, or private cars, furnished by the shipper and not by the carrier the carrier could under proper tariff authority allow such costs. Mileage allowance, based on distance, made by the railroads to private owners of freight cars. Lateral allowances are allowances for services performed granted by large rail lines to smaller connecting lines.