Each of Holdings and its Restricted Subsidiaries (a) has filed or caused to be filed all 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 due and payable that are imposed on it or on any of its Property by any Governmental Authority, except in each case (i) any Taxes 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 Holdings or such Restricted Subsidiary, as the case may be, or (ii) where the failure to file such Tax returns or pay such Taxes would not reasonably be expected, individually or in the aggregate, to have a Material Adverse Effect.