This part—
    
    
        
        (a) 
         Prescribes reporting and recordkeeping requirements with respect to the hours of service of certain railroad employees and certain employees of railroad contractors and subcontractors; and
     
    
        
        (b) 
         Establishes standards and procedures concerning the construction or reconstruction of employee sleeping quarters.
     
    [43 FR 31012, July 19, 1978, as amended at 74 FR 25345, May 27, 2009]