Chapter: 1406
Section: 1406.4
Bid Submissions
Generally, bid submissions will be handled as follows:
Bids will be submitted electronically whenever possible. If not possible, bids may be hand-delivered or sent by mail unless the solicitation stated another method, i.e., fax
Bids are due by the close of the business day, which ...
https://www.dgs.ca.gov/PD/Resources/SCM/TOC/14/14-06-4