The commissioners court may issue and sell bonds in the district's name and on the district's faith and credit to acquire, purchase, construct, equip, or enlarge the hospital or hospital system if:
(1) a tax may be imposed at a rate that:
(A) is sufficient to create an interest and sinking fund to pay the principal of and interest on the bonds; and
(B) when added to the rates of other taxes imposed by the district, does not exceed the maximum tax rate of the district; and
(2) the bonds are authorized by majority vote of the qualified voters of the district voting at an election held for the purpose.