A CAIR NOX opt-in unit must be a unit that:
    
    
        
        (a) 
         Is located in a State that submits, and for which the Administrator approves, a State implementation plan revision in accordance with  § 51.123(p)(3)(i), (ii), or (iii) of this chapter establishing procedures concerning CAIR opt-in units;
     
    
        
        (b) 
         Is not a CAIR NOX unit under  § 97.104 and is not covered by a retired unit exemption under  § 97.105 that is in effect;
     
    
        
        (c) 
         Is not covered by a retired unit exemption under  § 72.8 of this chapter that is in effect;
     
    
        
        (d) 
         Has or is required or qualified to have a title V operating permit or other federally enforceable permit; and
     
    
        
        (e) 
         Vents all of its emissions to a stack and can meet the monitoring, recordkeeping, and reporting requirements of subpart HH of this part.