California Code, Public Utilities Code - PUC § 120223

(a) If, after rejecting bids received under Section 120222, the board determines and declares by a two-thirds vote of all of its members that, in its opinion, the supplies, equipment, or materials may be purchased at a lower price in the open market, the board may proceed to purchase these supplies, equipment, or materials in the open market without further observance of the provisions regarding contracts, bids, or advertisements.

(b) If, after solicitation of bids under Section 120222, the board determines and declares by a majority vote that it has not received a responsive bid, the board may proceed to purchase the supplies, equipment, or materials in the open market without further observance of the provisions regarding contracts, bids, or advertisements.