The date of the enactment of this section, referred to in subsec. (c)(2), is the date of enactment of
Pub. L. 109–432, which was approved Dec. 20, 2006.
Pub. L. 109–432, div. A, title IV, § 404(c), Dec. 20, 2006,
120 Stat. 2957, provided that: “The amendments made by this section [enacting this section and amending sections
263,
312, and
1245 of this title] shall apply to costs paid or incurred after the date of the enactment of this Act [Dec. 20, 2006].”