Section 60.111 - Deposit of Proceeds of Obligations; Payment(a) The proceeds of the sale of any obligations issued under this subchapter may be deposited in a bank or banks and paid out on terms and conditions agreed on by the purchaser at the sale and the commission.(b) The laws of this state relating to the deposit of district funds in the depository of the district shall not apply to the deposit of the proceeds of a sale governed by Subsection (a) of this section.(c) Any part of the proceeds of the sale of obligations issued under this subchapter which remains unspent after the project for which the obligations were authorized has been completed may be paid into the sinking fund for the payment of the obligations and may be used only for the payment of principal of the obligations or for the purpose of purchasing outstanding obligations in the manner provided by this subchapter. Acts 1971, 62nd Leg., p. 110, ch. 58, Sec. 1, eff. 8/30/1971.