Pub. L. 108-334, tit. V, sec. 513

Sec. 513. The Secretary of Homeland Security is directed to research, develop, and procure certified systems to inspect and screen air cargo on passenger aircraft at the earliest date possible: Provided, That until such technology is procured and installed, the Secretary shall take all possible actions to enhance the known shipper program to prohibit high-risk cargo from being transported on passenger aircraft: Provided further, That the Secretary shall amend Security Directives and programs in effect on the date of enactment of this Act to, at a minimum, triple the percentage of cargo inspected on passenger aircraft.