604.50—Judicial review of a final decision and order.
        
        (a) 
         A person may seek judicial review in an appropriate United States District Court of a final decision and order of the Administrator as provided in 5 U.S.C. 701-706. A party seeking judicial review of a final decision and order shall file a petition for review with the Court not later than 60 days after a final decision and order is effective.
    
    
    
    
    
        
        (3) 
         A Chief Counsel decision that becomes the final decision of the Administrator because it was not appealed within the stated timeframes.