Each of the Borrower and its Restricted Subsidiaries (a) has filed or caused to be filed all federal, state, provincial and other Tax returns that are required to be filed and (b) has paid or caused to be paid all taxes shown to be due and payable on said returns and all other taxes, fees or other charges imposed on it or on any of its Property by any Governmental Authority (other than (i) any returns or amounts that are not yet due or (ii) amounts the validity of which are currently being contested in good faith by appropriate proceedings and with respect to which any reserves required in conformity with GAAP have been provided on the books of the Borrower or such Restricted Subsidiary, as the case may be), except in each case where the failure to do so would not reasonably be expected to have a Material Adverse Effect.