§ 406.28 End of entitlement.

Any of the following actions or events ends entitlement to premium hospital insurance:

(a) Filing of request for termination. The beneficiary may at any time give CMS or the Social Security Administration written notice that he or she no longer wishes to participate in the premium hospital insurance program.

(1) If he or she files the notice before entitlement begins, he or she will be deemed not to have enrolled.

(2) If he or she files the notice after entitlement begins, that entitlement will end at the close of the month following the month in which he or she filed the notice.