38.151—General.
        
        (a) 
         New, used and remanufactured over-the-road buses, to be considered accessible by regulations in  part 37 of this title, shall comply with this subpart.
    
    
        
        (b) 
         Over-the-road buses covered by  § 37.7 (c) of this title shall comply with  § 38.23 and this subpart.