CFR
- Title 1 - General Provisions
- Title 2 - Grants and Agreements
- Title 3 - The President
- Title 4 - Accounts
- Title 5 - Administrative Personnel
- Title 6 - Domestic Security
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- Title 22 - Foreign Relations
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- Title 47 - Telecommunication
- Title 48 - Federal Acquisition Regulations System
- Title 49 - Transportation
- Title 50 - Wildlife and Fisheries
89.111—Averaging, banking, and trading of exhaust emissions.
Regulations regarding the availability of an averaging, banking, and trading program along with applicable record- keeping requirements are found in subpart C of this part. Participation in the averaging, banking, and trading program is optional.
Code of Federal Regulations
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