The county treasurer where said district's funds are kept may pay out of any moneys belonging to said district tax fund, the interest and the principal upon any bonds issued by such district, when the same becomes due, upon the presentation at his office of the proper coupon or bond, which must show the amount due, and each coupon must also show the number of the bond to which it belonged, and all bonds and coupons so paid, must be reported to the district trustees at their first regular meeting thereafter.
W.S. 35-2-420