No debts shall be contracted in the anticipation of future receipts except for purchasing, laying out, enclosing and embellishing the grounds and avenues, and erecting buildings, vaults, a chapel, a crematory, a mausoleum and other structures, for which a debt or debts may be contracted, not exceeding eighty-five thousand dollars in the aggregate, to be paid out of future receipts.
Neb. Rev. Stat. §§ 12-507