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Current as of January 02, 2025 | Updated by Findlaw Staff
As of April 6, 2015, the provisions of subpart AA shall replace the provisions of subpart X, §§ 51.900 to 51.918, which will cease to apply, with the exception of the attainment date extension provisions of § 51.907 for the anti-backsliding purposes of § 51.1105(d)(2).
Cite this article: FindLaw.com - Code of Federal Regulations Title 40. Protection of Environment § 40.51.919 Applicability - last updated January 02, 2025 | https://codes.findlaw.com/cfr/title-40-protection-of-environment/cfr-sect-40-51-919/
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