If an individual's enrollment or nonenrollment in SMI is unintentional, inadvertent, or erroneous because of the error, misrepresentation, on inaction of a Federal employee or any person authorized by the Federal Government to act in its behalf, the Social Security Administration or CMS may take whatever action it determines is necessary to provide appropriate relief. The action may include:

(a) Designation of a special initial or general enrollment period;

(b) Designation of an entitlement period based on that enrollment period;

(c) Adjustment of premiums;

(d) Any combination of actions under paragraphs (a) through (c) of this section; or

(e) Any other remedial action that may be necessary to correct or eliminate the effects of the error, misrepresentation, or inaction.