---
kind: "section"
citation: "42 C.F.R. § 409.66"
title: "42"
number: "409.66"
heading: "Revocation of election not to use lifetime reserve days."
url: "https://uscodex.org/cfr/42/409.66"
---

# §409.66. Revocation of election not to use lifetime reserve days.

- (a) Except as provided in [paragraph (c)](#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.

## Notes

### Amendments

[48 FR 12541, Mar. 25, 1983, as amended at 58 FR 30666, May 26, 1993]

### Authority

Authority: 42 U.S.C. 1302 and 1395hh.

### Source

Source: 48 FR 12541, Mar. 25, 1983, unless otherwise noted.

### Amendments

[48 FR 12541, Mar. 25, 1983, as amended at 58 FR 30666, May 26, 1993]