---
kind: "section"
citation: "10 C.F.R. § 501.142"
title: "10"
number: "501.142"
heading: "Modification or rescission."
url: "https://uscodex.org/cfr/10/501.142"
---

# §501.142. Modification or rescission.

- (a) A ruling may be modified or rescinded by—
  - (1) Publication of the modification or rescission by DOE in the Federal Register and in [10 CFR part 518](/cfr/10/part518.md); or
  - (2) **Adoption of a rule that supersedes or modifies a prior ruling.**
- (b) A person shall not be subject to the sanctions or penalties stated in these regulations for actions taken in reliance upon a ruling, notwithstanding that the ruling is subsequently declared to be invalid or no longer applicable. A person affected by a ruling may not rely upon it for more than 30 days after it has been rendered invalid pursuant to issuance of a superseding rule by OFE, or after it has been rescinded or modified by DOE.

## Notes

### Authority

Authority: 42 U.S.C. 7101 et seq.; 42 U.S.C. 8301 et seq.; 42 U.S.C. 8701 et seq.; E.O. 12009, 42 FR 46267; 28 U.S.C. 2461 note.

### Source

Source: 46 FR 59889, Dec. 7, 1981, unless otherwise noted.