Each member of the Restricted Group has filed or has caused to be filed all Tax returns and reports required to be filed, and have paid all Taxes (including in its capacity as a withholding agent) levied or imposed upon them or their properties, income or assets otherwise due and payable, except those (a) which are being contested in good faith by appropriate proceedings diligently conducted and for which adequate reserves have been provided in accordance with GAAP or (b) with respect to which the failure to make such filing or payment would not, individually or in the aggregate, reasonably be expected, individually or in the aggregate, to have a Material Adverse Effect.