423.582—Request for a standard redetermination.
        
        (a) Method and place for filing a request.
         An enrollee or an enrollee's prescribing physician or other prescriber (acting on behalf of the enrollee) must ask for a redetermination by making a written request with the Part D plan sponsor that made the coverage determination. The Part D plan sponsor may adopt a policy for accepting oral requests.
    
    
        
        (b) Timeframe for filing a request.
         Except as provided in paragraph (c) of this section, a request for a redetermination must be filed within 60 calendar days from the date of the notice of the coverage determination.
    
    
        
        (c) Extending the time for filing a request—
        
        (1) General rule.
         If an enrollee or prescribing physician or other prescriber acting on behalf of an enrollee shows good cause, the Part D plan sponsor may extend the timeframe for filing a request for redetermination.
    
    
        
        (2) How to request an extension of timeframe.
         If the 60 calendar day period in which to file a request for a redetermination has expired, an enrollee or a prescribing physician or other prescriber acting on behalf of an enrollee may file a request for redetermination and extension of time frame with the Part D plan sponsor. The request for redetermination and to extend the timeframe must—
    
    
    
    
        
        (d) Withdrawing a request.
         The person who files a request for redetermination may withdraw it by filing a written request with the Part D sponsor.
    
    [74 FR 1547, Jan. 12, 2009, as amended at 74 FR 65363, Dec. 9, 2009]