Mortgagor agrees to pay before delinquency all taxes and special assessments of any kind that have been or may be levied or assessed against the Property, this instrument, the Note or the Indebtedness, or upon the interest of Mortgagee in the Property, this instrument, the Note or the Indebtedness, and to procure and deliver to Mortgagee within 30 days after Mortgagee shall have given a written request to Mortgagor, the official receipt of the proper officer showing timely payment of all such taxes and assessments; provided, however, that Mortgagor shall not be required to pay any such taxes or special assessments if the amount, applicability or validity thereof shall currently be contested in good faith by appropriate proceedings and funds sufficient to satisfy the contested amount have been deposited in an escrow satisfactory to Mortgagee.