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: Feb 06, 2026
Title 15 - Commerce and Foreign Trade last revised: Jan 23, 2026
All Titles
Title 15
Chapter I
Part 90 - PART 90—PROCEDURE FOR CHALLENGING POPULATION ESTIMATES
authority:
13 U.S.C. 4
and 181
source:
88 FR 17705, Mar. 24, 2023, unless otherwise noted.
cite as:
15 CFR 90.4
.list_box li,p,.cm-search-info,.cm-search-detail,.abt span,.expand-collapse_top
Get the CustomsMobile app!