---
kind: "section"
citation: "40 C.F.R. § 52.923"
title: "40"
number: "52.923"
heading: "Approval status."
url: "https://uscodex.org/cfr/40/52.923"
---

# §52.923. Approval status.

- (a) With the exceptions set forth in this subpart, the Administrator approves Kentucky's plan for the attainment and maintenance of the national standards under [section 110](/cfr/40/110.md) of the Clean Air Act. Furthermore, the Administrator finds that the plan satisfies all requirements of part D, [title 1](/cfr/1.md), of the Clean Air Act as amended in 1977.
- (b) New Source review permits issued pursuant to Section 173 of the Clean Air Act will not be deemed valid by EPA unless the provisions of Section V of Appendix S of [40 CFR part 51](/cfr/40/part51.md) are met.

## Notes

### Amendments

[45 FR 72157, Oct. 31, 1980, as amended at 79 FR 30050, May 27, 2014]

### Authority

Authority: 42 U.S.C. 7401 et seq.

### Amendments

[40 FR 5521, Feb. 6, 1975]

### Amendments

[45 FR 72157, Oct. 31, 1980, as amended at 79 FR 30050, May 27, 2014]
