(a) A bidder must submit a sealed bid to the comptroller or to the state agency making a purchase. The bid must be identified on the envelope as a bid.
(b) Subsection (a) does not apply to bids submitted through the use of facsimile transmission or on-line electronic transmission. The comptroller may adopt rules to ensure the identification, security, and confidentiality of bids submitted through the use of facsimile transmission or on-line electronic transmission.

(c) The comptroller or other state agency making a purchase shall open bids at the time and place stated in the invitation to bid.
(d) The comptroller shall keep a tabulation of all bids received by the comptroller available for public inspection under rules adopted by the comptroller. State agencies making purchases shall adopt the comptroller’s rules related to bid opening and tabulation.