---
kind: "section"
citation: "40 C.F.R. § 61.17"
title: "40"
number: "61.17"
heading: "State authority."
url: "https://uscodex.org/cfr/40/61.17"
---

# §61.17. State authority.

- (a) This part shall not be construed to preclude any State or political subdivision thereof from—
  - (1) Adopting and enforcing any emission limiting regulation applicable to a stationary source, provided that such emission limiting regulation is not less stringent than the standards prescribed under this part; or
  - (2) Requiring the owner or operator of a stationary source to obtain permits, licenses, or approvals prior to initiating construction, modification, or operation of the source.

## Notes

### Amendments

[50 FR 46294, Nov. 7, 1985]

### Authority

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

### Source

Source: 38 FR 8826, Apr. 6, 1973, unless otherwise noted.

### Amendments

[50 FR 46294, Nov. 7, 1985]