U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 28, 2025

All TitlesTitle 21Chapter IPart 328Subpart A - Subpart A—General Provisions
View all text of Subpart A [§ 328.1 - § 328.3]
§ 328.1 - Scope.

Reference in this part to regulatory sections of the Code of Federal Regulations are to chapter I of title 21 unless otherwise noted.

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