Bonds to be issued by any school district where such bonds, or a portion thereof, are to be sold to the federal government, or any agency thereof, may mature in annual installments commencing not more than five years from date of issue, any other statute to the contrary notwithstanding. In all other respects the proceedings for the issuance of such bonds shall conform to the requirements of the act to which this act is supplementary and the acts amendatory thereof and supplemental thereto.
N.J.S. § App.A:4-53