423.604—Effect of a reconsideration determination.
         A reconsideration determination is final and binding on the enrollee and the Part D plan sponsor, unless the enrollee files a request for a hearing under the provisions of  § 423.1972.
    
    [70 FR 4525, Jan. 28, 2005, as amended at 74 FR 65363, Dec. 9, 2009]