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Regulations last checked for updates: Feb 21, 2025
Title 40 - Protection of Environment last revised: Nov 21, 2025
All Titles
Title 40
Chapter I
Part 270
Subpart E - Subpart E—Expiration and Continuation of Permits
§ 270.50 - Duration of permits.
§ 270.51 - Continuation of expiring permits.
authority:
42 U.S.C. 6905
,
6912
,
6924
,
6925
,
6927
,
6939
,
and
source:
48 FR 14228, Apr. 1, 1983, unless otherwise noted.
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