§ 391.
(b)
Procurement of temporary and intermittent services
The Secretary may—
(1)
procure the temporary or intermittent services of experts or consultants (or organizations thereof) in accordance with
section 3109(b) of title 5; and
(2)
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.
([Pub. L. 107–296, title VIII, § 831], Nov. 25, 2002, [116 Stat. 2224]; [Pub. L. 110–161, div. E, title V, § 572], Dec. 26, 2007, [121 Stat. 2093]; [Pub. L. 110–329, div. D, title V, § 537], Sept. 30, 2008, [122 Stat. 3687]; [Pub. L. 111–83, title V, § 531], Oct. 28, 2009, [123 Stat. 2174]; [Pub. L. 112–10, div. B, title VI, § 1651], Apr. 15, 2011, [125 Stat. 146]; [Pub. L. 112–74, div. D, title V, § 527], Dec. 23, 2011,