(b) Elements of Program.— The program shall include
(1) establishing standards and procedures for screening and evaluating cargo prior to loading in a foreign port for shipment to the United States either directly or via a foreign port;
(2) establishing standards and procedures for securing cargo and monitoring that security while in transit;
(3) developing performance standards to enhance the physical security of shipping containers, including standards for seals and locks;
(4) establishing standards and procedures for allowing the United States Government to ensure and validate compliance with this program; and
(5) any other measures the Secretary considers necessary to ensure the security and integrity of international intermodal transport movements.