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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 40
Chapter I
Part 97
Subpart II - Subpart II—CAIR NOX Opt-In Units
§ 97.180 - Applicability.
§ 97.181 - General.
§ 97.182 - CAIR designated representative.
§ 97.183 - Applying for CAIR opt-in permit.
§ 97.184 - Opt-in process.
§ 97.185 - CAIR opt-in permit contents.
§ 97.186 - Withdrawal from CAIR NOX Annual Trading Program.
§ 97.187 - Change in regulatory status.
§ 97.188 - CAIR NOX allowance allocations to CAIR NOX opt-in units.
Appendix Appendix A - Appendix A to Subpart II of Part 97—States With Approved State Implementation Plan Revisions Concerning CAIR NOX Opt-In Units
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