(a) Any person, corporation, or firm which desires to bid on the construction of any work advertised under Section 62.110 of this code shall, on application to the commission, be furnished the survey, plans, and estimates for the work.(b) All bids or offers for the work shall be in writing, sealed, and delivered to the chairman of the commission together with a certified check for at least five percent of the total amount of the bid.(c) If a bid is accepted but the bidder refuses to enter into a proper contract, the deposit required by Subsection (b) of this section shall be forfeited to the district.(d) Any and all bids may be rejected at the discretion of the commission.(e) A district may take advantage of the bid procedure in Sections 63.168-63.170 of this code by passing a simple resolution and entering it in its minutes. Acts 1971, 62nd Leg., p. 110, ch. 58, Sec. 1, eff. 8/30/1971.