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 07, 2026
Title 39 - Postal Service last revised: Jan 16, 2026
All Titles
Title 39
Chapter I
Part 231 - PART 231—PROTECTION OF POST OFFICES
§ 231.1 - Responsibility.
§ 231.2 - Security Control Officer.
.list_box li,p,.cm-search-info,.cm-search-detail,.abt span,.expand-collapse_top
Get the CustomsMobile app!