Unless otherwise authorized by the Commandant, the vessel must have onboard, in a form approved by the Commandant, sufficient information.
    
    
        
        (a) 
         To enable the master to load and ballast the vessel in a manner that avoids unacceptable stresses in the vessel's structure; and
     
    
        
        (b) 
         To guide the master as to the stability of the ship under varying conditions of service.