50 U.S.C. § 2331
Procurement of detection equipment for United States border security
Of the amount authorized to be appropriated by section 301, $15,000,000 is available for the procurement of—
(1)
equipment capable of detecting the movement of weapons of mass destruction and related materials into the United States;
(2)
equipment capable of interdicting the movement of weapons of mass destruction and related materials into the United States; and
(3)
materials and technologies related to use of equipment described in paragraph (1) or (2).
( Pub. L. 104–201, div. A, title XIV, § 1421 , Sept. 23, 1996 , 110 Stat. 2725 .)