In a book prepared for that purpose, the county treasurer, or school district treasurer if the school district has its own treasurer, shall keep in his or her office a full and complete record of all bond issues outstanding at the present time or to be issued hereafter showing the date of the issuance, the amount, the date of maturity, the rate of interest, and the dates and the amounts of payment thereon so that any interested persons may ascertain the true financial status of the school district's bonded indebtedness.