119.25—Rotorcraft operations: Direct air carriers and commercial operators.
         Each person who conducts rotorcraft operations for compensation or hire must comply with the certification and operations specifications requirements of Subpart C of this part, and shall conduct its:
    
    
        
        (a) 
         Commuter operations in accordance with the applicable requirements of  part 135 of this chapter, and shall be issued operations specifications for those operations in accordance with those requirements.
    
    
        
        (b) 
         On-demand operations in accordance with the applicable requirements of  part 135 of this chapter, and shall be issued operations specifications for those operations in accordance with those requirements.