42 CFR § 423.2114 - Dismissal of request for review.
The Council dismisses a request for review if the enrollee requesting review did not file the request within the stated period of time and the time for filing has not been extended. The Council also dismisses the request for review if -
(a) The enrollee asks to withdraw the request for review;
(b) The individual or entity does not have a right to request Council review; or
(c) The enrollee died while the request for review is pending and the enrollee's estate or representative, if any, either has no remaining financial interest in the case or does not want to continue the appeal.