In considering bids the board may accept or reject all or any of them, or may accept or reject part of a bid, preference being given to the lowest responsible bidder. The award as to each article shall in all cases be made to the lowest bidder for such article.
Source:
Section 20207.1, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=PCC§ionNum=20207.1..