The proceeds of sales made as provided in this article shall be applied first to the payment of costs and expenses of sale. Any surplus shall be paid to the governing body of the city or town, if incorporated, to be placed in the general fund, or, if unincorporated, for making such public improvements as may be directed by a meeting of the citizens of the town to be held after thirty days notice by the trustee.
A.R.S. § 9-1133