; and (2) by adding at the end the following new paragraph: (6) Special rule for plan year 2018 payments (A) In general The Secretary shall make payments under paragraph (3)(A), including through advanced payment for cost-sharing reduction under section 1412, for plan year 2018 to an issuer of a qualified health plan only, subject to subparagraph (C), if the Secretary determines, based on a certification and appropriate documentation from the issuer and a certification from State regulators, that the premium rates applied under such plan for such plan year were based on the assumption of receiving payments under paragraph (3)(A) for such plan year (including by reason of the plan being offered in a State in which the State regulators instructed issuers of health plans in such State to make such an assumption). (B) Recovery of past payments If the Secretary makes payments to an issuer of a qualified health plan under paragraph (3)(A) for plan year 2018 and subsequently determines that such issuer increased premium rates for that plan year because the issuer expected, or was instructed by applicable State regulators to expect, that the issuer would not receive such payments (or, in the case of such payments made to an issuer of a qualified health plan for plan year 2018 pursuant to subparagraph (C), determines that such issuer did not reduce premium rates under such plan for such plan year to such rates as described in clause (i)(I) of such subparagraph) the Secretary may reduce payments due to such issuer under paragraph (3)(A) for a subsequent plan year by the amount paid to such issuer under such paragraph for plan year 2018. (C) Payments allowed in case of issuers in states providing for premium adjustment process Notwithstanding subparagraph (A), the Secretary may make payments under paragraph (3)(A) for plan year 2018 to an issuer of a qualified health plan not otherwise eligible for such payments pursuant to subparagraph (A) if— (i) the qualified health plan is offered in a State for such plan year for which