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.