(b) Unless otherwise directed by the Contracting Officer, the Contractor shall—

(1) Send a prepaid notice of shipment to the consignee transportation officer—

(i) For all shipments of—

(A) Classified material, protected sensitive, and protected controlled material;

(B) Explosives and poisons, class 1, division 1.1, 1.2 and 1.3; class 2, division 2.3 and class 6, division 6.1;

(C) Radioactive materials requiring the use of a III bar label; or

(ii) When a truckload/carload shipment of supplies weighing 20,000 pounds or more, or a shipment of less weight that occupies the full visible capacity of a railway car or motor vehicle, is given to any carrier (common, contract, or private) for transportation to a domestic destination (other than a port for export);

(2) Transmits the notice by rapid means to be received by the consignee transportation officer at least 24 hours before the arrival of the shipment; and

(3) Send, to the receiving transportation officer, the bill of lading or letter or other document containing the following information and prominently identified as a “Report of Shipment”or “REPSHIP FOR T.O.”