; (2) in clause (iii), by striking The amount and inserting Subject to clause (vii), the amount ; (3) in clause (iv), by striking The total amount and inserting Subject to clause (vii), the total amount ; and (4) by adding at the end the following new clause: (vii) For discharges that have a primary or secondary diagnosis of COVID–19 and that occur during the period beginning on the date of the enactment of this clause and ending on the sooner of January 31, 2021, or the last day of the emergency period described in section 1135(g)(1)(B), the amount of any additional payment under clause (ii) for a subsection (d) hospital for such a discharge shall be determined as if— (I) clause (ii) was amended by striking plus a fixed dollar amount determined by the Secretary ; (II) the reference in clause (iii) to approximate the marginal cost of care beyond the cutoff point applicable under clause (i) or (ii) were a reference to approximate the marginal cost of care beyond the cutoff point applicable under clause (i), or, in the case of an additional payment requested under clause (ii), be equal to 100 percent of the amount by which the costs of the discharge for which such additional payment is so requested exceed the applicable DRG prospective payment rate