Pub. L. 107-296, tit. VIII, subtit. D, sec. 832
PERSONAL SERVICES.
SEC. 832. PERSONAL SERVICES. The Secretary— (1) may procure the temporary or intermittent services of experts or consultants (or organizations thereof) in accordance with section 3109 of title 5, United States Code; and (2) may, whenever necessary due to an urgent homeland security need, procure temporary (not to exceed 1 year) or intermittent personal services, including the services of experts or consultants (or organizations thereof), without regard to the pay limitations of such section 3109.