---
kind: "section"
citation: "10 C.F.R. § 431.427"
title: "10"
number: "431.427"
heading: "Disposition of petitions."
url: "https://uscodex.org/cfr/10/431.427"
---

# §431.427. Disposition of petitions.

- (a) After the submission of public comments under [§ 431.213(a)](/cfr/10/431.213.md?p=a), the Secretary shall prescribe a final rule or deny the petition within 6 months after the date the petition is filed.
- (b) The final rule issued by the Secretary or a determination by the Secretary to deny the petition shall include a written statement setting forth his findings and conclusions, and the reasons and basis therefor. A copy of the Secretary's decision shall be sent to the petitioner and the affected State agency. The Secretary shall publish in the Federal Register a notice of the final rule granting or denying the petition and the reasons and basis therefor.
- (c) If the Secretary finds that he cannot issue a final rule within the 6-month period pursuant to [paragraph (a)](#a) of this section, he shall publish a notice in the Federal Register extending such period to a date certain, but no longer than one year after the date on which the petition was filed. Such notice shall include the reasons for the delay.

## Notes

### Source

Source: 69 FR 61941, Oct. 21, 2004, unless otherwise noted. Redesignated at 70 FR 60417, Oct. 18, 2005.

### Authority

Authority: 42 U.S.C. 6291-6317; 28 U.S.C. 2461 note.

### Source

Source: 64 FR 54141, Oct. 5, 1999, unless otherwise noted.