This chapter, referred to in text, was in the original “this Act”, meaning Pub. L. 114–119,
Section was formerly classified to section 16935h of Title 42, The Public Health and Welfare, prior to editorial reclassification and renumbering as this section.
2019—Pub. L. 115–425 substituted “2018 through 2021” for “2017 and 2018”.