---
kind: "section"
citation: "10 C.F.R. § 503.20"
title: "10"
number: "503.20"
heading: "Purpose and scope."
url: "https://uscodex.org/cfr/10/503.20"
---

# §503.20. Purpose and scope.

- (a) This subpart implements the provisions contained in section 211 of the Act with regard to temporary exemptions for new facilities.
- (b) This subpart establishes the criteria and standards which owners or operators of new powerplants who petition for a temporary exemption must meet to sustain their burden of proof under the Act.
- (c) All petitions for temporary exemptions shall be submitted in accordance with the procedures set out in [part 501](/cfr/10/part501.md) of this chapter and the applicable requirements of [part 503](/cfr/10/part503.md) of these regulations.
- (d) The duration of any temporary exemption granted under this subpart shall be measured from the date that the facility is placed in service using petroleum or natural gas.

## Notes

### Amendments

[46 FR 59903, Dec. 7, 1981, as amended at 54 FR 52894, Dec. 22, 1989]

### Authority

Authority: Department of Energy Organization Act, Pub. L. 95-91, 91 Stat. 565 (42 U.S.C. § 7101 et seq. ); Powerplant and Industrial Fuel Use Act of 1978, Pub. L. 95-620, 92 Stat. 3289 (42 U.S.C. 8301 et seq. ); Energy Security Act, Pub. L. 96-294, 94 Stat. 611 (42 U.S.C. 8701 et seq. ); E.O. 1209, 42 FR 46267, September 15, 1977.

### Source

Source: 46 FR 59903, Dec. 7, 1981, unless otherwise noted.

### Amendments

[46 FR 59903, Dec. 7, 1981, as amended at 54 FR 52894, Dec. 22, 1989]