"Authorizing the (name of precinct or district) to issue its bonds in the total sum of $__________ and to impose annually ad valorem taxes on all taxable property in the (precinct or district) to pay the interest on the bonds and create a sinking fund to redeem the principal at maturity for the purposes of the purchase or acquisition of roads and the construction, maintenance, and operation of macadamized, graveled, or paved roads and turnpikes or in aid of those purposes inside or outside the boundaries of the (precinct or district)."
Tex. Gov't. Code § 1471.017