42 CFR § 422.594 - Notice of reconsidered determination by the independent entity.
(a) Responsibility for the notice. When the independent entity makes the reconsidered determination, it is responsible for mailing a notice of its reconsidered determination to the parties and for sending a copy to CMS.
(b) Content of the notice. The notice must -
(1) State the specific reasons for the entity's decisions in understandable language;
(2) If the reconsidered determination is adverse (that is, does not completely reverse the MA organization's adverse organization determination), inform the parties of their right to an ALJ hearing if the amount in controversy meets the requirements of § 422.600;
(4) Comply with any other requirements specified by CMS.