Whenever a county, independent rural, union high or municipal board of education or the board of regents of any state educational institution by the affirmative vote of a majority of its members, duly entered in the official minutes of such board, shall by resolution determine that it is necessary to purchase, erect, alter, improve, repair, furnish and/or equip any such income-producing building, improvement or facility or any group of buildings, improvements or facilities and that the same will produce sufficient income to repay all moneys so borrowed and pay off and discharge any and all bonds or other evidences of indebtedness to be issued for the repayment of such money, and the amount required to be borrowed therefor, and upon approval in writing of the board of finance of the state of New Mexico in the case of boards of regents of educational institutions, or the state board of education in the case of county, independent rural, union high and municipal boards of education, such boards of regents or boards of education may proceed to borrow such money and purchase or erect such building or buildings, improvement or improvements and facility or facilities, and make any such alteration, improvement, repair and furnish and equip same under the authority of this act [6-17-1 to 6-17-13 N.M. Stat. Ann., except 6-17-1.1 N.M. Stat. Ann.].