40 C.F.R. § 97.81
General.
Cite as 40 C.F.R. § 97.81 (2026)
Except otherwise as provided in this part, a NO X Budget opt-in unit shall be treated as a NO X Budget unit for purposes of applying subparts A through H of this part.
40 C.F.R. § 97.81
Cite as 40 C.F.R. § 97.81 (2026)