Each Loan Party and its Subsidiaries have filed or caused to be filed all United States federal, United Kingdom and other material Tax returns which are required to be filed by them and have paid all Taxes due pursuant to said returns or pursuant to any assessment received by such Loan Party or Subsidiary, except such Taxes, if any, as are being contested in good faith and as to which adequate reserves have been provided in accordance with generally accepted accounting principles or which would not reasonably be expected to have a Material Adverse Effect.