The Loan Parties and their Subsidiaries have filed all federal and, except to the extent that a failure to do so could not reasonably be expected to have a Material Adverse Effect, other tax returns and tax reports required to be filed (or appropriate extensions have been timely filed), and have paid all federal and other taxes, assessments, fees and other governmental charges levied or imposed upon them or their properties, income or assets otherwise due and payable, except where such nonpayment would not constitute a breach of Section 7.1(b) .