CFR /  Title 40  /  Part 97  /  Sec. 97.301 Purpose.This subpart and subparts BBBB through IIII 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 Ozone Season Trading Program,

under section 110 of the Clean Air Act and Sec. 52.35 of this

chapter, as a means of mitigating interstate transport of ozone and

nitrogen oxides.