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: Aug 27, 2025
All Titles
Title 40
Chapter I
Part 123
Subpart D - Subpart D—Program Approval, Revision, and Withdrawal
§ 123.61 - Approval process.
§ 123.62 - Procedures for revision of State programs.
§ 123.63 - Criteria for withdrawal of State programs.
§ 123.64 - Procedures for withdrawal of State programs.
Download the GovRegs app!