§ 421.100 - Intermediary functions.

§ 421.103 - Payment to providers.

§ 421.104 - Assignment of providers of services to intermediaries during transition to Medicare Administrative Contractors (MACs).

§ 421.105 - Notification of action on nomination.

§ 421.106 - Change to another intermediary or to direct payment.

§ 421.110 - Requirements for approval of an agreement.

§ 421.112 - Considerations relating to the effective and efficient administration of the program.

§ 421.114 - Assignment and reassignment of providers by CMS.

§ 421.116 - Designation of national or regional intermediaries.

§ 421.117 - Designation of regional and alternative designated regional intermediaries for home health agencies and hospices.

§ 421.118 - Awarding of experimental contracts.

§ 421.120 - Performance criteria.

§ 421.122 - Performance standards.

§ 421.124 - Intermediary's failure to perform efficiently and effectively.

§ 421.126 - Termination of agreements.

§ 421.128 - Intermediary's opportunity for hearing and right to judicial review.