(iv) to provide for the payment of fees and other charges and expenses, including underwriters' discount, related to the issuance of such bonds or notes, or related to the provision of any applicable bond or note facilities, excluding refunding bonds. Provided, however, that upon any refunding or repayment of such bonds or notes the total aggregate principal amount of outstanding bonds and notes may be greater than thirty-five million dollars ($35,000,000) only if the present value of the aggregate debt service of the refunding or repayment bonds to be issued shall not exceed the present value of the aggregate debt service of the bonds so to be refunded or repaid. For purposes hereof, the present values of the aggregate debt service of the refunding or repayment bonds and of the aggregate debt service of the bonds so refunded or repaid, shall be calculated by utilizing the effective interest rate of the refunding or repayment bonds, which shall be that rate arrived at by doubling the semi-annual interest rate (compounded semi-annually) necessary to discount the debt service payments on the refunding or repayment bonds from the payment dates thereof to the date of issue of the refunding or repayment bonds and to the price bid including estimated accrued interest or proceeds received by the agency including estimated accrued interest from the sale thereof.
Such local law shall be subject to the following limitations and conditions:
(i) Any such local law shall become effective on the date of issue of any bonds and/or bond anticipation notes the payment of which is secured by the proceeds of such sales and compensating use taxes;(ii) Any such local law shall be made subject to such terms and conditions, not inconsistent with this section, as may be determined necessary or appropriate by such city council and agency, subject, however, to any rights of holders of previously issued bonds and/or bond anticipation notes secured by such tax proceeds and shall be deemed to be in effect only while bonds and/or bond anticipation notes which are so secured are outstanding and may provide that it shall not be repealed, rescinded or revoked or amended in a manner which is prejudicial to the interests of said holders while such obligations shall be outstanding;(iii) Enactment of such local law shall be conditioned upon the execution of an agreement between the city of Niagara Falls and the county of Niagara whereby such county agrees to pay such city's share of the proceeds of taxes payable to such city pursuant to section twelve hundred sixty-two of the tax law to the state comptroller for so long as bonds or notes issued pursuant to this section remain outstanding;(iv) Any such local law shall not be enacted unless such city council shall have determined that such local law is necessary and in the public interest; and(v) Notwithstanding any of the foregoing to the contrary, the aforesaid pledge shall be deemed executory only to the extent of moneys appropriated and made available therefor by the city.