---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchC/part55"
level: "part"
label: "Part 55"
heading: "Outer Continental Shelf Air Regulations"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchC-part55"
sections_count: 15
---

# Part 55 — Outer Continental Shelf Air Regulations

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter C — Air Programs

## Sections

- [§55.1. Statutory authority and scope.](/cfr/40/55.1.md)
- [§55.2. Definitions.](/cfr/40/55.2.md)
- [§55.3. Applicability.](/cfr/40/55.3.md)
- [§55.4. Requirements to submit a notice of intent.](/cfr/40/55.4.md)
- [§55.5. Corresponding onshore area designation.](/cfr/40/55.5.md)
- [§55.6. Permit requirements.](/cfr/40/55.6.md)
- [§55.7. Exemptions.](/cfr/40/55.7.md)
- [§55.8. Monitoring, reporting, inspections, and compliance.](/cfr/40/55.8.md)
- [§55.9. Enforcement.](/cfr/40/55.9.md)
- [§55.10. Fees.](/cfr/40/55.10.md)
- [§55.11. Delegation.](/cfr/40/55.11.md)
- [§55.12. Consistency updates.](/cfr/40/55.12.md)
- [§55.13. Federal requirements that apply to OCS sources.](/cfr/40/55.13.md)
- [§55.14. Requirements that apply to OCS sources located within 25 miles of States' seaward boundaries, by State.](/cfr/40/55.14.md)
- [§55.15. Specific designation of corresponding onshore areas.](/cfr/40/55.15.md)