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