§ 423.510 Termination of contract by the Part D sponsor.
(a) Cause for termination. The Part D plan sponsor may terminate its contract if CMS fails to substantially carry out the terms of the contract.
(b) Notice of termination. The Part D plan sponsor must give advance notice as follows:
(1) To CMS, at least 90 days before the intended date of termination. This notice must specify the reasons why the Part D sponsor is requesting contract termination.
(2) To its Medicare enrollees, at least 60 days before the termination effective date. This notice must include a written description of alternatives available for obtaining qualified prescription drug coverage within the services area, including alternative PDPs, MA-PDPs, and original Medicare and must receive CMS approval.