To Whom It May Concern: Re: Proposed rule on standards related to reinsurance, risk corridors, and risk adjustment Oct. 28, 2011 In addition, we have included an Appendix at the end of this letter that provides more detail on many of the issues discussed below. It specifically highlights certain technical, policy, and practical implications associated with many of these issues. Page 2 of 68 The rest of this letter is organized by subpart and section of the proposed rule.