Subject to the exceptions and exemptions in  § 395.1 :
     
    
        
        (a) 
         No motor carrier shall permit or require any driver used by it to drive a property-carrying commercial motor vehicle, nor shall any such driver drive a property-carrying commercial motor vehicle:
     
    
        
        (1) 
         More than 11 cumulative hours following 10 consecutive hours off-duty;
     
    
        
        (2) 
         For any period after the end of the 14th hour after coming on duty following 10 consecutive hours off duty, except when a property-carrying driver complies with the provisions of  § 395.1(o) or  § 395.1(e)(2).
     
    
        
        (b) 
         No motor carrier shall permit or require a driver of a property-carrying commercial motor vehicle to drive, nor shall any driver drive a property-carrying commercial motor vehicle, regardless of the number of motor carriers using the driver's services, for any period after—
     
    
        
        (1) 
         Having been on duty 60 hours in any period of 7 consecutive days if the employing motor carrier does not operate commercial motor vehicles every day of the week; or
     
    
        
        (2) 
         Having been on duty 70 hours in any period of 8 consecutive days if the employing motor carrier operates commercial motor vehicles every day of the week.
     
    
        
        (c) 
        
        (1) 
         Any period of 7 consecutive days may end with the beginning of any off-duty period of 34 or more consecutive hours; or
     
    
        
        (2) 
         Any period of 8 consecutive days may end with the beginning of any off-duty period of 34 or more consecutive hours.
     
    [70 FR 50073, Aug. 25, 2005, as amended at 72 FR 71270, Dec. 17, 2007]