CFR > Title 42 - Public Health > CHAPTER IV—CENTERS FOR MEDICARE & MEDICAID SERVICES, DEPARTMENT OF HEALTH AND HUMAN SERVICES > SUBCHAPTER B—MEDICARE PROGRAM (parts 405 to 426) > PART 408—PREMIUMS FOR SUPPLEMENTARY MEDICAL INSURANCE > SUBPART F—Termination and Reinstatement of Coverage (§408.100 to §408.104)