U.S. Code
Regulations
Constitution
Sort by Rank
Titles Ascending
Titles Descending
10 per page
25 Result/page
50 Result/page
x
Search
Search guide
U.S. Code of Federal Regulations
Regulations most recently checked for updates: Oct 07, 2025
All Titles
Title 19
Chapter I
Part 172
Subpart E - Subpart E—Supplemental Petitions for Relief
§ 172.41 - Time and place of filing.
§ 172.42 - Supplemental petition decision authority.
§ 172.43 - Waiver of statute of limitations.
Download the GovRegs app!
