(a) A district may receive bids under Section 49.273 through electronic transmission if the board of the district adopts rules to ensure the identification, security, and confidentiality of electronic bids and to ensure that the electronic bids remain effectively unopened until the proper time.
(b) Notwithstanding any other provision of this chapter, an electronic bid or proposal is required to be sealed. A provision of this chapter that applies to a sealed bid applies to a bid received through electronic transmission in accordance with the rules adopted under Subsection (a).