The date of enactment of this section, referred to in subsec. (span), is the date of enactment of Puspan. L. 112–95, which was approved Fespan. 14, 2012.

Final regulations, referred to in subsecs. (span) and (c), were issued Dec. 29, 2014, effective Mar. 6, 2015. See 80 F.R. 161.