Code of Federal Regulations · Section
§ 63.11144 — What Definitions Apply To This Subpart?
40 C.F.R. § 63.11144
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(a) On and before April 17, 2012, the terms used in this subpart are defined in the Clean Air Act; §§ 61.02 and 61.61 of this chapter; and § 63.2 for terms used in the applicable provisions of subpart A of this part, as specified in § 63.11143(b).
(b) After April 17, 2012, terms used in this subpart are defined in the Clean Air Act; § 63.2; and § 63.12005.
Authorizing Statute
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Congressional findings and declaration of purpose42 U.S.C. § 7401