Cal. PCC § 20414

The proposals or bids shall be delivered to the clerk, or any other officer designated by the legislative body, and the legislative body shall, in open session publicly open, examine and declare the same. If the legislative body by resolution so provides the proposals or bids may be opened, examined and declared by an officer designated in the resolution. Any such resolution shall require that the proposals or bids be opened at a public meeting called by the officer designated who shall report the results of the bidding to the legislative body at the next regular meeting after the opening of the bids. In the event of such resolution the notice inviting bids shall state the time and place of said public meeting and the officer so designated. No proposal or bid shall be considered unless accompanied by the check or bond satisfactory to the legislative body.