---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchC/part96"
level: "part"
label: "Part 96"
heading: "Nox Budget Trading Program and Cair Nox and So2 Trading Programs for State Implementation Plans"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchC-part96"
sections_count: 192
---

# Part 96 — Nox Budget Trading Program and Cair Nox and So2 Trading Programs for State Implementation Plans

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

## Contents

- [Subpart A — NO X Budget Trading Program General Provisions](/cfr/40/chI-subchC-part96-subpartA.md)
- [Subpart B — NO X Authorized Account Representative for NO X Budget Sources](/cfr/40/chI-subchC-part96-subpartB.md)
- [Subpart C — Permits](/cfr/40/chI-subchC-part96-subpartC.md)
- [Subpart D — Compliance Certification](/cfr/40/chI-subchC-part96-subpartD.md)
- [Subpart E — NO X Allowance Allocations](/cfr/40/chI-subchC-part96-subpartE.md)
- [Subpart F — NO X Allowance Tracking System](/cfr/40/chI-subchC-part96-subpartF.md)
- [Subpart G — NO X Allowance Transfers](/cfr/40/chI-subchC-part96-subpartG.md)
- [Subpart H — Monitoring and Reporting](/cfr/40/chI-subchC-part96-subpartH.md)
- [Subpart I — Individual Unit Opt-ins](/cfr/40/chI-subchC-part96-subpartI.md)
- [Subpart J — Mobile and Area Sources [Reserved]](/cfr/40/chI-subchC-part96-subpartJ.md)
- [Subpart K-Z — Subparts K-Z [Reserved]](/cfr/40/chI-subchC-part96-subpartK-Z.md)
- [Subpart AA — CAIR NO X Annual Trading Program General Provisions](/cfr/40/chI-subchC-part96-subpartAA.md)
- [Subpart BB — CAIR Designated Representative for CAIR NO X Sources](/cfr/40/chI-subchC-part96-subpartBB.md)
- [Subpart CC — Permits](/cfr/40/chI-subchC-part96-subpartCC.md)
- [Subpart DD — Subpart DD [Reserved]](/cfr/40/chI-subchC-part96-subpartDD.md)
- [Subpart EE — CAIR NO X Allowance Allocations](/cfr/40/chI-subchC-part96-subpartEE.md)
- [Subpart FF — CAIR NO X Allowance Tracking System](/cfr/40/chI-subchC-part96-subpartFF.md)
- [Subpart GG — CAIR NO X Allowance Transfers](/cfr/40/chI-subchC-part96-subpartGG.md)
- [Subpart HH — Monitoring and Reporting](/cfr/40/chI-subchC-part96-subpartHH.md)
- [Subpart II — CAIR NO X Opt-in Units](/cfr/40/chI-subchC-part96-subpartII.md)
- [Subpart JJ-ZZ — Subparts JJ-ZZ [Reserved]](/cfr/40/chI-subchC-part96-subpartJJ-ZZ.md)
- [Subpart AAA — CAIR SO 2 Trading Program General Provisions](/cfr/40/chI-subchC-part96-subpartAAA.md)
- [Subpart BBB — CAIR Designated Representative for CAIR SO 2 Sources](/cfr/40/chI-subchC-part96-subpartBBB.md)
- [Subpart CCC — Permits](/cfr/40/chI-subchC-part96-subpartCCC.md)
- [Subpart DDD-EEE — Subparts DDD-EEE [Reserved]](/cfr/40/chI-subchC-part96-subpartDDD-EEE.md)
- [Subpart FFF — CAIR SO 2 Allowance Tracking System](/cfr/40/chI-subchC-part96-subpartFFF.md)
- [Subpart GGG — CAIR SO 2 Allowance Transfers](/cfr/40/chI-subchC-part96-subpartGGG.md)
- [Subpart HHH — Monitoring and Reporting](/cfr/40/chI-subchC-part96-subpartHHH.md)
- [Subpart III — CAIR SO 2 Opt-in Units](/cfr/40/chI-subchC-part96-subpartIII.md)
- [Subpart JJJ-ZZZ — Subparts JJJ-ZZZ [Reserved]](/cfr/40/chI-subchC-part96-subpartJJJ-ZZZ.md)
- [Subpart AAAA — CAIR NO X Ozone Season Trading Program General Provisions](/cfr/40/chI-subchC-part96-subpartAAAA.md)
- [Subpart BBBB — CAIR Designated Representative for CAIR NO X Ozone Season Sources](/cfr/40/chI-subchC-part96-subpartBBBB.md)
- [Subpart CCCC — Permits](/cfr/40/chI-subchC-part96-subpartCCCC.md)
- [Subpart DDDD — Subpart DDDD [Reserved]](/cfr/40/chI-subchC-part96-subpartDDDD.md)
- [Subpart EEEE — CAIR NO X Ozone Season Allowance Allocations](/cfr/40/chI-subchC-part96-subpartEEEE.md)
- [Subpart FFFF — CAIR NO X Ozone Season Allowance Tracking System](/cfr/40/chI-subchC-part96-subpartFFFF.md)
- [Subpart GGGG — CAIR NO X Ozone Season Allowance Transfers](/cfr/40/chI-subchC-part96-subpartGGGG.md)
- [Subpart HHHH — Monitoring and Reporting](/cfr/40/chI-subchC-part96-subpartHHHH.md)
- [Subpart IIII — CAIR NO X Ozone Season Opt-in Units](/cfr/40/chI-subchC-part96-subpartIIII.md)