74.46—Opt-in source permanent shutdown, reconstruction, or change in affected status.
        
        (a) Notification.
        
        (1) 
         When an opt-in source has permanently shutdown during the calendar year, the designated representative shall notify the Administrator of the date of shutdown, within 30 days of such shutdown.
    
    
        
        (2) 
         When an opt-in source has undergone a modification that qualifies as a reconstruction as defined in  § 60.15 of this chapter, the designated representative shall notify the Administrator of the date of completion of the reconstruction, within 30 days of such completion.
    
    
        
        (3) 
         When an opt-in source becomes an affected unit under  § 72.6 of this chapter, the designated representative shall notify the Administrator of such change in the opt-in source's affected status within 30 days of such change.
    
    
        
        (b) Administrator's action.
        
        (1) 
         The Administrator will terminate the opt-in source's opt-in permit and deduct allowances as provided below in the following circumstances:
    
    
        
        (i) 
         When an opt-in source has permanently shutdown. The Administrator shall deduct allowances equal in number to and with the same or earlier compliance use date as those allocated to the opt-in source under  § 74.40 for the calendar year in which the shut down occurs and for all future years following the year in which the shut down occurs; or
    
    
        
        (ii) 
         When an opt-in source has undergone a modification that qualifies as a reconstruction as defined in  § 60.15 of this chapter. The Administrator shall deduct allowances equal in number to and with the same or earlier compliance use date as those allocated to the opt-in source under  § 74.40 for the calendar year in which the reconstruction is completed and all future years following the year in which the reconstruction is completed; or
    
    
        
        (iii) 
         When an opt-in source becomes an affected unit under  § 72.6 of this chapter. The Administrator shall deduct allowances equal in number to and with the same or earlier compliance use date as those allocated to the opt-in source under  § 74.40 for the calendar year in which the opt-in source becomes affected under  § 72.6 of this chapter and all future years following the calendar year in which the opt-in source becomes affected under  § 72.6; or
    
    
        
        (iv) 
         When an opt-in source does not renew its opt-in permit. The Administrator shall deduct allowances equal in number to and with the same or earlier compliance use date as those allocated to the opt-in source under  § 74.40 for the calendar year in which the opt-in  source's opt-in permit expires and all future years following the year in which the opt-in source's opt-in permit expires.