Except otherwise as provided in this part, a NOX Budget opt-in unit shall be treated as a NOX Budget unit for purposes of applying subparts A through H of this part.
source: 65 FR 2727, Jan. 18, 2000, unless otherwise noted. 71 FR 25396, 25422, and 25443, Apr. 28, 2006
cite as: 40 CFR 97.81