If at the time of the election to dissolve the district, there is any outstanding bonded indebtedness of the district, the vote to dissolve the district shall dissolve it for all purposes excepting only the levy and collection of taxes for the payment of the indebtedness. From the time the district is dissolved until the bonded indebtedness, with the interest thereon, is fully paid, satisfied, and discharged, the board of supervisors is ex officio the library board of the district. The board shall levy such taxes and perform such other acts as are necessary in order to raise money for the payment of the indebtedness and the interest thereon.