Section 423.2490 - Release of Part D MLR data(a)Terminology. Subject to the exclusions in paragraph (b) of this section, Part D MLR data consists of the information submitted under § 423.2460 .(b)Exclusions from Part D MLR data. For the purpose of this section, the following items are excluded from Part D MLR data: (1) Narrative descriptions that Part D sponsors submit to support the information reported to CMS pursuant to the reporting requirements at § 423.2460 , such as descriptions of expense allocation methods.(2) Information that is reported at the plan level, such as the number of member months associated with each plan under a contract, including information submitted for a contract consisting of only one plan.(3) Any information that could be used to identify Medicare beneficiaries or other individuals.(4) MLR review correspondence.(5) Any information for a contract for those contract years for which the contract is determined to be non-credible, as defined in accordance with § 423.2440(d) .(c)Data release. CMS releases to the public Part D MLR data, for each contract for each contract year, no earlier than 18 months after the end of the applicable contract year 81 FR 80558 , Nov. 15, 2016, as amended at 83 FR 16756 , Apr. 16, 2018 81 FR 80558 , 1/1/2017; 83 FR 16756 , 6/15/2018