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Regulations last checked for updates: Aug 04, 2025
Title 42 - Public Health last revised: Jun 03, 2025
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Title 42
Chapter IV
Part 421
Subpart E - Subpart E—Medicare Administrative Contractors (MACs)
§ 421.400 - Statutory basis and scope.
§ 421.401 - Definitions.
§ 421.404 - Assignment of providers and suppliers to MACs.
authority:
42 U.S.C. 1302
and 1395hh
source:
45 FR 42179, June 23, 1980, unless otherwise noted.
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