The Secretary—
- (1) shall issue a proposed rule implementing this part not later than 6 months after ; and
- (2) issue a final rule implementing this part not later than 1 year after .
(Pub. L. 107–296, title VIII, § 899I, as added Pub. L. 110–161, div. E, title V, § 563(a), , 121 Stat. 2089.)