{"data":{"id":"us/40-cfr-97.101","jurisdiction":"us","citation":"40 CFR 97.101","heading":"Purpose.","body":"This subpart and subparts BB through II set forth the general provisions and the designated representative, permitting, allowance, monitoring, and opt-in provisions for the Federal Clean Air Interstate Rule (CAIR) NOX Annual Trading Program, under section 110 of the Clean Air Act and § 52.35 of this chapter, as a means of mitigating interstate transport of fine particulates and nitrogen oxides.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER C—AIR PROGRAMS","PART 97—FEDERAL NOX BUDGET TRADING PROGRAM, CAIR NOX AND SO2 TRADING PROGRAMS, CSAPR NOX AND SO2 TRADING PROGRAMS, AND TEXAS SO2 TRADING PROGRAM","Subpart AA—CAIR NOX Annual Trading Program General Provisions"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"f9171278570bf43e48444555be110f3e8abaf29ced8d1dc1ce0bd379cd80c576","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-97.90","next":"us/40-cfr-97.102"},"notice":"GroundRules: Original legal text. Not legal advice."}