; and (ii) with respect to a facility or organization described in paragraph (3) of this subsection that is wholly owned by a private covered entity described in subclause (II) or (III) of subsection (a)(4)(L)(i), only a facility or organization that was properly enrolled as a child site in the drug discount program under this section as of the date of the enactment of the 340B Protection and Accountability Act of 2019 and continuously enrolled thereafter may participate in the drug discount program under this section. (B) Period described For purposes of subparagraph (A), the period described in this subparagraph is the period beginning on the date of enactment of the 340B Protection and Accountability Act of 2019 and ending on the effective date described in subparagraph (C). (C) Effective date of replacement metric (i) In general For purposes of subparagraph (B), subject to clause (ii), the effective date described in this subparagraph is the effective date specified in legislation that, with respect to private covered entities described in subclauses (II) and (III) of subsection (a)(4)(L)(i)— (I) replaces the metric described in clause (ii) of subsection (a)(4)(L) with a metric that more accurately reflects the levels of outpatient charity care as a percentage of overall expenses for outpatient care provided by such entities; and (II) takes into account the report submitted under paragraph (1), including by addressing the Comptroller General’s recommendations included in such report. (ii) Exception If legislation described in clause (i) is not enacted by the date that is one year after the date of submission of the report under paragraph (1)— (I) the Secretary shall promulgate final regulations that implement, to the extent practicable, the Comptroller General’s recommendations included within such report not later than the date that is 180 days after such one-year date