[Code of Federal Regulations] [Title 42, Volume 2] [Revised as of October 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 42CFR409.66] [Page 237] TITLE 42--PUBLIC HEALTH HUMAN SERVICES PART 409--HOSPITAL INSURANCE BENEFITS--Table of Contents Subpart F--Scope of Hospital Insurance Benefits Sec. 409.66 Revocation of election not to use lifetime reserve days. (a) Except as provided in paragraph (c) of this section, a beneficiary (or anyone authorized to execute a request for payment, if the beneficiary is incapacitated) may revoke an election not to use lifetime reserve days during hospitalization or within 90 days after discharge. (b) The revocation must be submitted to the hospital or CAH in writing and identify the stay or stays to which it applies. (c) Exceptions. A revocation of an election not to use lifetime reserve days may not be filed-- (1) After the beneficiary dies; or (2) After the hospital or CAH has filed a claim under the supplementary medical insurance program (Medicare Part B), for medical and other health services furnished to the beneficiary on the days in question. [48 FR 12541, Mar. 25, 1983, as amended at 58 FR 30666, May 26, 1993] [[Page 238]]