Timely file or cause to be filed all Federal and material state and other tax returns that are required to be filed and shall timely pay 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 material taxes, fees or other charges imposed on it or any of its Property by any Governmental Authority (other than any taxes the amount or validity of which are 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 the applicable Loan Party).