45 CFR § 153.530 - Risk corridors data requirements.
(b) Allowable costs. A QHP issuer must submit to HHS data on the allowable costs incurred with respect to the QHP issuer's non-grandfathered health plans in a market within a State in a manner specified by HHS. For purposes of this subpart, allowable costs must be -
(2) Reduced by -
(iii) A cost-sharing reduction amount equal to the amount of cost-sharing reductions for the benefit year as calculated under § 156.430(c) of this subchapter, to the extent not reimbursed to the provider furnishing the item or service.
(iv) For the 2015 and 2016 benefit years, any difference between -
(A) The sum of unpaid claims reserves and claims incurred but not reported, as set forth in §§ 158.103 and 158.140(a)(2) and (3) of this subchapter, that were reported on the MLR and Risk Corridors Annual Reporting Form for the year preceding the benefit year; and
(B) The actual claims incurred during the year preceding the benefit year and paid between March 31 of the benefit year and March 31 of the year following the benefit year.
(c) Allowable administrative costs. A QHP issuer must submit to HHS data on the allowable administrative costs incurred with respect to the QHP issuer's non-grandfathered health plans in a market within a State in a manner specified by HHS.
(d) Timeframes. For each benefit year, a QHP issuer must submit all information required under paragraphs (a) through (c) of this section by July 31 of the year following the benefit year.
(e) Requirement to submit enrollment data for risk corridors adjustment. A health insurance issuer in the individual or small group market of a transitional State must submit, in a manner and timeframe specified by HHS, the following:
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