10 CFR § 501.100 - Purpose and scope.

---
identifier: "/us/cfr/t10/s501.100"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "10 CFR § 501.100 - Purpose and scope."
title_number: 10
title_name: "Energy"
section_number: "501.100"
section_name: "Purpose and scope."
chapter_name: "DEPARTMENT OF ENERGY"
subchapter_number: "E"
subchapter_name: "ALTERNATE FUELS"
part_number: "501"
part_name: "ADMINISTRATIVE PROCEDURES AND SANCTIONS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7101  42 U.S.C. 8301  42 U.S.C. 8701  E.O. 12009, 42 FR 46267; 28 U.S.C. 2461 note."
regulatory_source: "46 FR 59889, Dec. 7, 1981, unless otherwise noted."
cfr_part: "501"
---


# 501.100 Purpose and scope.

(a) Anyone may request that OFE commence a rulemaking proceeding pursuant to 5 U.S.C. 553(e); however, this subpart provides the procedures to be followed by—

(1) An interested person seeking the modification or rescission of a prohibition by rule applicable to a new facility;

(2) An owner or operator of a facility named in a prohibition by rule requesting the modification or rescission of that rule; or

(3) An owner or operator subject to an exemption order or a specific prohibition imposed by order requesting the modification or a rescission of that order.

(b) OFE also may commence a modification or rescission proceeding on its own initiative.