REGULATIONS
Rulings
AD/CVD
Notices
HTSUS
U.S. Code
Regs
More
Ports
About
Updates
Apps
Larger font
Smaller font
SEARCH
Sort by Rank
Titles Ascending
Titles Descending
10 per page
25 Result/page
50 Result/page
Regulations last checked for updates: Oct 30, 2026
Title 21 - Food and Drugs last revised: Oct 21, 2026
All Titles
Title 21
Chapter I
Part 328
Subpart A - Subpart A—General Provisions
§ 328.1 - Scope.
§ 328.3 - Definitions.
authority:
21 U.S.C. 321
,
331
,
351
,
352
,
353
,
355
,
371
source:
60 FR 13595, Mar. 13, 1995, unless otherwise noted.
.list_box li,p,.cm-search-info,.cm-search-detail,.abt span,.expand-collapse_top
Get the CustomsMobile app!