Upon determining to issue such refunding bonds, the governing body of such political division shall, by resolution, authorize the issuance of such bonds in an amount not exceeding the principal amount permitted by section one of this article, fix the date thereof, the rate or rates of interest which such bonds shall bear, payable semiannually, and require that the bonds shall bear, payable at the office of the State Treasurer and at such other place or places as the body issuing the same may designate. Such resolution shall also provide that such bonds shall mature serially in annual installments beginning not more than three years after the date thereof, and the last of such annual installments shall mature in not exceeding thirty-four years from the date of such bonds. The amount payable in each year on the refunding bonds, together with any unrefunded or unissued bonds of the prior issue, may be so fixed that, when the amount of interest is added to the principal amount to be paid during the respective years, the total amount payable in each year shall be as nearly equal as practicable; or such bonds may be made payable in annual installments as nearly equal in principal as may be practicable.
All or a portion of the refunding bonds may be subject to redemption prior to the maturity thereof, at the option of the body issuing the same, at such times and prices and on such terms as shall be designated in the resolution required by this section. The body issuing the refunding bonds may not levy taxes in connection with the redemption of any refunding bonds in excess of the taxes that would have been levied for the payment of principal of and interest on such refunding bonds in such year.