45.4—Independent contractor register.
        
        (a) 
         Each independent contractor shall provide the production-operator in writing the following information:
    
    
    
        
        (2) 
         A description of the nature of the work to be performed by the independent contractor and where at the mine the work is to be performed;
    
    
    
        
        (4) 
         The independent contractor's address of record for service of citations, or other documents involving the independent contractor.
    
    
        
        (b) 
         Each production-operator shall maintain in writing at the mine the information required by paragraph (a) of this section for each independent contractor at the mine. The production-operator shall make this information available to any authorized representative of the Secretary upon request.