be greater than the reduction for such fiscal year for recovery audit contractors that have complex audit denial overturn rates at the end of such fiscal year (as calculated under the methodology described in clause (iv)) that are lower than the complex audit denial overturn rate of the contractor at the end of such fiscal year (as so calculated). (II) Manner of collecting reduction The Secretary may assess and collect the reductions in payment to recovery audit contractors under clause (i) in such manner as the Secretary may specify (such as by reducing the amount paid to the contractor for recovery activities conducted during a fiscal year or by assessing the reduction as a separate penalty payment to be paid to the Secretary by the contractor with respect to each complex audit denial issued by the contractor that is overturned on appeal). (iii) Timing of determinations of payment reductions The Secretary shall, with respect to a recovery audit contractor, determine not later than six months after the end of a fiscal year— (I) whether to reduce payment to the recovery audit contractor under clause (i) for recovery activities conducted during such fiscal year