Each of such Borrower and its Subsidiaries has filed or caused to be filed all tax returns which, to the knowledge of such Borrower, are required to be filed (except where the failure to file such tax returns would not have a material adverse effect on the business, operations, property or financial or other condition of such Borrower and its Subsidiaries taken as a whole), and has paid all taxes shown to be due and payable on said returns or on any assessments made against it or any of its property and all other taxes, fees or other charges imposed on it or any of its property by any Governmental Authority (other than assessments, taxes, fees and other charges the amount or validity of which is currently being contested in good faith by appropriate proceedings and with respect to which reserves in conformity with GAAP have been provided on the books of such Borrower or its Subsidiaries, as the case may be).