630.104—Applicability.
               		
               	 	
               	 	
               	 	               	 	               	 	               	 	               	 	
               	 	
    
        
        (a) 
         This subpart is applicable to all Federal-aid projects unless specifically exempted.
     
    
        
        (b) 
         Other projects which involve special procedures are to be approved, or authorized as set out in the implementing instructions or regulations for those projects.