Notwithstanding any provision of this act, including section twenty-one, the portion of Devens currently owned by the Springfield Railway Terminal, Inc. or any affiliate thereof or successor thereto, hereinafter referred to as "Springfield," as more particularly described in section two of this act, shall continue to be subject to all municipal property taxes, assessments and other charges lawfully assessed by the town of Ayer, and shall not be subject to any tax, fee or charge assessed by the Bank or the Commission hereunder, except for a charge or fee assessed in relation to (i) the approval of a license or permit requested by Springfield from the Commission, or (ii) an improvement to such portion of Devens undertaken by the Bank. Furthermore, all municipal services provided to such portion of Devens will be provided by the Town of Ayer, at the Town's expense, except as may be specifically agreed by the Bank and the Commission.