---
kind: "section"
citation: "40 C.F.R. § 503.3"
title: "40"
number: "503.3"
heading: "Permits and direct enforceability."
url: "https://uscodex.org/cfr/40/503.3"
---

# §503.3. Permits and direct enforceability.

- (a) **Permits.** The requirements in this part may be implemented through a permit:
  - (1) Issued to a “treatment works treating domestic sewage”, as defined in [40 CFR 122.2](/cfr/40/122.2.md), in accordance with 40 CFR parts [122](/cfr/40/part122.md) and [124](/cfr/40/part124.md) by EPA or by a State that has a State sludge management program approved by EPA in accordance with 40 CFR part [123](/cfr/40/part123.md) or [40](/cfr/40/part40.md) CFR [part 501](/cfr/40/part501.md) or
  - (2) Issued under subtitle C of the Solid Waste Disposal Act; part C of the Safe Drinking Water Act; the Marine Protection, Research, and Sanctuaries Act of 1972; or the Clean Air Act. “Treatment works treating domestic sewage” shall submit a permit application in accordance with either [40 CFR 122.21](/cfr/40/122.21.md) or an approved State program.
- (b) **Direct enforceability.** No person shall use or dispose of sewage sludge through any practice for which requirements are established in this part except in accordance with such requirements.

## Notes

### Authority

Authority: Sections 405 (d) and (e) of the Clean Water Act, as amended by Pub. L. 95-217, sec. 54(d), 91 Stat. 1591 (33 U.S.C. 1345 (d) and (e)); and Pub. L. 100-4, title IV, sec. 406 (a), (b), 101 Stat., 71, 72 (33 U.S.C. 1251 et seq. ).

### Source

Source: 58 FR 9387, Feb. 19, 1993, unless otherwise noted.