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U.S. Code of Federal Regulations
Regulations most recently checked for updates: May 27, 2023
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Title 40
Chapter I
Part 220 - PART 220—GENERAL
§ 220.1 - Purpose and scope.
§ 220.2 - Definitions.
§ 220.3 - Categories of permits.
§ 220.4 - Authorities to issue permits.
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