Debt Service Liquidity Account Insurance Policy means the insurance policy, surety bond or other acceptable evidence of insurance, if any, to be deposited in the Debt Service Liquidity Account in lieu of or in partial substitution for cash or securities on deposit therein, for the purpose of making the payments required to be made from the Debt Service Liquidity Account under the Indenture. The issuer providing such insurance shall be a municipal bond insurer whose policy or bond results in the rating of municipal obligations secured by such policy or bond to be rated, at the time of deposit into the Debt Service Liquidity Account, in the highest rating category by (i) either S&P, Moody’s or Fitch or (ii) if such corporations are dissolved or liquidated or no longer perform the functions of a securities rating agency, a nationally recognized rating agency.