The board, in proposing ad valorem tax levies by resolution, shall take into account the maturing indebtedness for the ensuing year as provided in its contracts, maturing securities and interest on securities, and deficiencies and defaults of prior years and shall make ample provision for the payment thereof. In case the money produced from such levies, together with other revenues of the authority, is not sufficient punctually to pay the annual installments of its contracts or securities, and interest thereon, and to pay defaults and deficiencies, the board shall propose by resolution such additional levies of taxes as may be necessary for such purposes, and notwithstanding any limitations, except the limitation in Subsection I of Section 27 [74-10-27 N.M. Stat. Ann.] of the Solid Waste Authority Act, and any constitutional limitation, such taxes, if approved by the qualified electors, shall be made and continue to be levied until the indebtedness of the authority is fully paid.