# 40 C.F.R. § 63.70 (2026): Applicability

> Federal · Regulations · In force

URL: https://www.frixlaw.com/law-library/statutes/CFR_T40_P63_S63_70

## Section

- **Citation:** 40 C.F.R. § 63.70 (2026)
- **Heading:** Applicability
- **Jurisdiction:** Federal
- **Kind:** Regulations
- **Status:** In force
- **Text as of:** August 14, 2026
- **Source:** Compiled text
- **Location:** Title 40 CFR: Protection of Environment / Chapter I / Part 63 / Subpart D / § 63.70: § 63.70   Applicability.

## Text

The provisions of this subpart apply to an owner or operator of an existing source who wishes to obtain a compliance extension from a standard issued under section 112(d) of the Act. The provisions of this subpart also apply to a State or local agency acting pursuant to a permit program approved under title V of the Act. The Administrator will carry out the provisions of this subpart for any State that does not have an approved permit program.

## Nearby sections

- [40 C.F.R. § 63.70 (2026) § 63.70   Applicability.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P63_S63_70.md)
- [40 C.F.R. § 63.71 (2026) § 63.71   Definitions.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P63_S63_71.md)
- [40 C.F.R. § 63.72 (2026) § 63.72   General provisions for compliance extensions.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P63_S63_72.md)
- [40 C.F.R. § 63.73 (2026) § 63.73   Source.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P63_S63_73.md)
- [40 C.F.R. § 63.74 (2026) § 63.74   Demonstration of early reduction.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P63_S63_74.md)
- [40 C.F.R. § 63.75 (2026) § 63.75   Enforceable commitments.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P63_S63_75.md)
- [40 C.F.R. § 63.76 (2026) § 63.76   Review of base year emissions.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P63_S63_76.md)
- [40 C.F.R. § 63.77 (2026) § 63.77   Application procedures.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P63_S63_77.md)
- [40 C.F.R. § 63.78 (2026) § 63.78   Early reduction demonstration evaluation.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P63_S63_78.md)
- [40 C.F.R. § 63.79 (2026) § 63.79   Approval of applications.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P63_S63_79.md)
- [40 C.F.R. § 63.80 (2026) § 63.80   Enforcement.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P63_S63_80.md)
- [40 C.F.R. § 63.81 (2026) § 63.81   Rules for special situations.](https://www.frixlaw.com/law-library/statutes/CFR_T40_P63_S63_81.md)

---

Source: Frix Law Library, https://www.frixlaw.com/law-library/statutes/CFR_T40_P63_S63_70. Check the current official text before relying on it. Not legal advice.
