The Borrower shall comply, and cause each of its Restricted Subsidiaries to comply, with all Legal Requirements except where the failure to do so could not reasonably be expected to result in a Material Adverse Change. Without limiting the generality and coverage of the foregoing, the Borrower shall comply, and shall cause each of its Restricted Subsidiaries to comply with all Environmental Laws and all laws, regulations, or directives with respect to equal employment opportunity and employee safety in all jurisdictions in which the Borrower, or any of its Restricted Subsidiaries do business, except where the failure to do so could not reasonably be expected to result in a Material Adverse Change; provided , however , that this Section  5.1 shall not prevent the Borrower, or any of its Restricted Subsidiaries from, in good faith and with reasonable diligence, contesting the validity or application of any such laws or regulations by appropriate legal proceedings.