Company shall and shall cause any of its Subsidiaries to promptly pay and discharge all taxes, assessments and other governmental charges imposed upon Company or any Subsidiary or upon the income, profits, or Property or other assets of Company or any Subsidiary and all claims for labor, material or supplies which, if unpaid, might by law become a lien or charge upon the property of Company or any Subsidiary. Notwithstanding the foregoing, none of Company or any other Subsidiary shall be required to pay any such tax, assessment, charge or claim, so long as the validity thereof shall be contested in good faith by appropriate proceedings, and appropriate reserves therefor shall be maintained on the books of Company and such other Subsidiary.