Section 45.4 - Independent contractor register(a) Each independent contractor shall provide the production-operator in writing the following information:(1) The independent contractor's trade name, business address and business telephone number;(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;(3) The independent contractor's MSHA identification number, if any; and(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.