F. Contracts, proposals and bids.

The State Procurement Code provides that procurement information is public except as otherwise provided by law, AS 36.30.050, and provides instructions concerning the confidentiality of certain data and documents submitted in connection with bids, as well as provisions governing the timing of release of information submitted in connection with bids and proposals, AS 36.30.040(b)(6), AS 36.30.140, AS 36.30.240, information that a bidder or offeror may be required to supply to show that it qualifies as a "responsible bidder." AS 36.30.360. The Alaska Land Act provides that the Division of Lands must keep confidential, upon request of the person supplying it, certain specified information supplied in connection with a sale, lease or other disposal of land by competitive bidding, and other related information. See AS 38.05.035(a)(9). Contracting by the Alaska Railroad Corporation is governed largely by its own regulations, and while information in possession of the Alaska Railroad Corporation is presumptively public and open to inspection and copying at reasonable times, matters of a privileged or proprietary nature may be designated by rule to be withheld from public disclosure. AS 42.40.220.