15 U.S.C. § 5527: Miscellaneous provisions

(a) NonapplicabilityExcept to the extent the appropriate Federal agency or department head determines, the provisions of this chapter shall not apply to—(1) programs or activities regarding computer systems that process classified information; or (2) computer systems the function, operation, or use of which are those delineated in section 3552(b)(6)(A)(i) of title 44. (b) Acquisition of prototype and early production modelsIn accordance with Federal contracting law, Federal agencies and departments participating in the Program may acquire prototype or early production models of new networking and information technology systems and subsystems to stimulate hardware and software development. Items of computing equipment acquired under this subsection shall be considered research computers for purposes of applicable acquisition regulations.