; (II) to each such provider and supplier that enters into such a contract, access to the criteria used by the plan for making such determinations and an itemization of the medical or other documentation required to be submitted by a provider or supplier with respect to such a request; and (III) to an enrollee of the plan, upon request, access to the criteria used by the plan for making determinations with respect to prior authorization requests for an item or service. (B) Option for plan to provide certain additional information As part of the information described in subparagraph (A)(i) provided to the Secretary during a plan year, a Medicare Advantage plan may elect to include information regarding the percentage and number of specified requests made with respect to an individual and an item or service that were denied by the plan during the preceding plan year in an initial determination based on such requests failing to demonstrate that such individuals met the clinical criteria established by such plan to receive such items or services. (C) Regulations The Secretary shall, through notice and comment rulemaking, establish requirements for Medicare Advantage plans regarding the provision of— (i) access to criteria described in subparagraph (A)(ii)(II) to providers of services and suppliers in accordance with such subparagraph