1. When carrier has furnished, either orally or in writing, an estimate of published tariff charges, such estimate will be given on the basis of effective published tariff provisions as applies to those facts concerning shipments which are made known to the carrier.
2. Estimates of freight charges are furnished as a convenience to shipping public and represent nothing more than an approximation of freight charges which will NOT be binding on either carrier or shipper.
3. All transportation charges on a shipment will be assessed on basis of published tariff provisions legally in effect at time of shipment as applied to commodity shipped and transportation and related services performed in connection therewith and as governed by the Bill of Lading.