Except as would not, individually or in the aggregate, have a Material Adverse Effect, the Borrowers and the Restricted Subsidiaries shall timely file all Tax returns, statements, reports and forms or other documents (including estimated Tax or information returns and including any required, related or supporting information) required to be filed by it and pay and discharge promptly when due all Taxes, assessments and governmental charges or levies imposed upon it or upon its income or profits or in respect of its property (including, in each case, in its capacity as a withholding agent), before the same shall become delinquent or in default; provided, however, that such payment and discharge shall not be required with respect to any such Tax, assessment, charge, levy or claim so long as the validity or amount thereof shall be contested in good faith by appropriate proceedings and the Borrowers and the Restricted Subsidiaries shall have set aside on its books adequate reserves with respect thereto in accordance with GAAP and such contest operates to suspend collection of the contested obligation, Tax, assessment or charge and enforcement of a Lien and, in the case of Collateral, the Borrowers and the Restricted Subsidiaries shall have otherwise complied with the provisions of the applicable Collateral Document in connection with such nonpayment.