(a) The sale price of land sold under Sections 161.175 and 161.231, 161.232, and 161.234 of this code may include the addition of the expenses and fees in Sections 161.069, 161.070, and 161.175 of this code. Provided, however, no tract may be sold under Sections 161.175 and 161.231, 161.232, and 161.234 of this code at a price exceeding $40,000 unless the veteran pays the board in cash, in accordance with its rules, a down payment equal to that portion of the sale price in excess of $40,000. This down payment shall be in addition to the initial payment required by § 161.222 of this code and shall be paid not later than the sale date.
(b) If the sale is not consummated, the down payment shall be refunded to the veteran.