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 42
Chapter IV
Part 421
Subpart C - Subpart C—Carriers
§ 421.200 - Carrier functions.
§ 421.201 - Performance criteria and standards.
§ 421.202 - Requirements and conditions.
§ 421.203 - Carrier's failure to perform efficiently and effectively.
§ 421.205 - Termination by the Secretary.
§ 421.210 - Designations of regional carriers to process claims for durable medical equipment, prosthetics, orthotics and supplies.
§ 421.212 - Railroad Retirement Board contracts.
§ 421.214 - Advance payments to suppliers furnishing items or services under Part B.
Download the GovRegs app!
